Our results for the large palindrome search and information on “The Largest Known Most Delayed Palindrome” appeared in Wikipedia in Lychrel Number article.

# Tag Archives: Achievements

# “The Largest Known Most Delayed Palindrome” included in OEIS as A281509

The number 1999291987030606810 found by us is officially included into OEIS as A281509 and named “The Largest Known Most Delayed Palindrome”. The 261-step trajectory of this number to a 119-digit palindrome is also published.

# Sequence of 126 19-digit numbers turing into a palindrome after 261 steps included in OEIS as A281508

The discovered sequence of 126 19-digit numbers (all of them never reported before) that turn into a palindrom after 261 steps is officially included into OEIS as the sequence number A281508. The list of these numbers is also published. Continue reading

# 126 new 19-digit numbers turning into a palindrome after 261 iterations are found

January 25, 2017: Moscow, Russia

On January 18-21, 2017 our “1001 Palindrome Finder” using proprietary intellectual algorithm scanned the range of 19-digit numbers from about 1,999,290,300,000,000,000 to about 1,999,292,000,000,000,000 (spanning over 1.7 trillion numbers) and found 126 numbers turning into a 119-digit palindrome after 261 iterations. Continue reading

# Trajectory of the last out of 126 discovered 19-digit numbers, turning into a palindrome after 261 steps, included in OEIS as A281507

The trajectory of the last out of 126 discovered by us 19-digit numbers, turning into a palindrome after 261 steps, is officially included in OEIS as A281507. The result after each of 261 steps is also published.

# Sequence of 126 19-digit numbers turing into a palindrome after 261 steps included in OEIS as A281506

The discovered sequence of 126 19-digit numbers (125 of them never reported before) that turn into a palindrome after 261 steps is officially included into OEIS as the sequence number A281506. The list of these numbers is also published.

# 125 new 19-digit numbers turning into a palindrome after 261 iterations are found

January 23, 2017: Moscow, Russia

On January 17-19, 2017 our “1001 Palindrome Finder” using proprietary intellectual algorithm scanned the range of 19-digit numbers from about 1,186,060,000,000,000,000 to about 1,186,062,000,000,000,000 (spanning over 2 trillion numbers) and found 126 numbers turning into a 119-digit palindrome after 261 iterations. Continue reading

# Trajectory of the last out of 225 discovered 19-digit numbers, turning into a palindrome after 259 steps, included in OEIS as A281301

The trajectory of the last out of 225 discovered by us 19-digit numbers, turning into a palindrome after 259 steps, is officially included in OEIS as A281301. The result after each of 259 steps is also published.

# Sequence of 225 19-digit numbers turning into a palindrome after 259 steps included in OEIS as A281390

The discovered sequence of 225 19-digit numbers (224 of them never reported before) that turn into palindromes after 259 steps is officially included into OEIS as sequence number A281390. The list of these numbers is also published.

# 224 new 19-digit numbers turning into palindromes after 259 iterations are found

January 05, 2017: Moscow, Russia

On December 26-27, 2016 our “1001 Palindrome Finder” using proprietary intellectual algorithm scanned the range of 19-digit numbers from about 1,000,000,075,000,000,000 to about 1,000,005,000,000,000,000 (spanning over 4.9 trillion numbers) and found 225 numbers turning into 119-digit palindromes after 259 iterations. Continue reading