A015992 - OEIS

%I #9 Sep 05 2025 14:08:58

%S 167,266,365,464,563,662,761,860,7069,7159,7249,7339,7429,7519,7609,

%T 7699,7789,7879,7969,8068,8158,8248,8338,8428,8518,8608,8698,8788,

%U 8878,8968,9039,9067,9129,9157,9219,9247,9309,9337,9399,9427,9489

%N Eleven iterations of Reverse and Add are needed to reach a palindrome.

%C The number of iterations starts at 1, so palindromes (cf. A002113) are not excluded. The corresponding sequence excluding palindromes is A065216.

%H <a href="/index/Res#RAA">Index entries for sequences related to Reverse and Add!</a>

%Y Cf. A002113, A065216.

%K nonn,base

%O 0,1

%A _Robert G. Wilson v_