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A306599 In base 8: a(n) sets a new record for the number of Reverse and Add! steps needed to reach a palindrome starting with a(n). 2
0, 8, 15, 39, 47, 109, 375, 1591, 4470, 4596, 6393, 6718, 7930, 16439, 28903, 34292, 49465, 264496, 265750, 266126, 311290, 2067455, 16808764, 18276328, 1074296036, 1075478361 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

It is conjectured that if a Reverse and Add! trajectory reaches a palindrome, it will be reached in relatively few steps, or otherwise it will never reach a palindrome. - A.H.M. Smeets, May 30 2019

LINKS

Table of n, a(n) for n=0..25.

CROSSREFS

Records in A306600.

Base 10: A065198 and A065199.

Sequence in context: A134020 A343141 A197602 * A226151 A253767 A254541

Adjacent sequences:  A306596 A306597 A306598 * A306600 A306601 A306602

KEYWORD

nonn,base,more

AUTHOR

A.H.M. Smeets, Feb 27 2019

EXTENSIONS

a(21)-a(25) from A.H.M. Smeets, May 30 2019

STATUS

approved

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Last modified June 15 11:44 EDT 2021. Contains 345048 sequences. (Running on oeis4.)