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A015977 Two iterations of Reverse and Add are needed to reach a palindrome. 1
5, 6, 7, 8, 9, 19, 28, 37, 39, 46, 48, 49, 55, 57, 58, 64, 66, 67, 73, 75, 76, 82, 84, 85, 91, 93, 94, 109, 119, 129, 139, 149, 150, 151, 152, 153, 154, 159, 160, 161, 162, 163, 169, 170, 171, 172, 173, 179, 189, 208, 218, 219, 228, 229, 238, 239, 248 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The number of iterations starts at 1, so palindromes (cf. A002113) are not excluded. The corresponding sequence excluding palindromes is A065207.

LINKS

Table of n, a(n) for n=0..56.

Index entries for sequences related to Reverse and Add!

CROSSREFS

A002113, A065207.

Sequence in context: A125298 A037362 A102717 * A294239 A250050 A051052

Adjacent sequences:  A015974 A015975 A015976 * A015978 A015979 A015980

KEYWORD

nonn,base

AUTHOR

Robert G. Wilson v

STATUS

approved

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Last modified May 26 17:17 EDT 2019. Contains 323597 sequences. (Running on oeis4.)