login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A323976
Records for the number of 'Reverse and Add' steps, needed for a Lychrel number to join the trajectory of a smaller Lychrel number (i.e., its seed).
2
0, 1, 2, 4, 5, 8, 10, 12, 14, 15, 19
OFFSET
1,3
COMMENTS
Similar to the number of steps needed to reach a palindrome in the Reverse and Add! trajectories (see A065198 and A065199), the number of steps needed for a Lychrel number to reach the trajectory of its seed is relatively small.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
A.H.M. Smeets, Feb 10 2019
STATUS
approved