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).

0, 1, 2, 4, 5, 8, 10, 12, 14, 15, 19

Offset: 1

Author

A.H.M. Smeets, Feb 10 2019

Keywords

• nonn
• base
• more

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

Cf. A065198, A065199, A323975.