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Four 'Reverse and Add' steps are needed to reach a palindrome.
2

%I #7 Mar 30 2012 17:27:33

%S 69,78,87,96,174,175,183,192,195,273,274,280,290,291,294,372,381,390,

%T 471,472,480,492,539,570,571,579,591,599,629,638,649,670,678,679,690,

%U 698,699,728,729,748,749,769,778,789,798,819,827,836,839,847,876,877

%N Four 'Reverse and Add' steps are needed to reach a palindrome.

%C The number of steps starts at 0, so palindromes (cf. A002113) are excluded.

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

%Y A002113, A015980, A065206.

%K nonn,base

%O 1,1

%A _Klaus Brockhaus_, Oct 21 2001

%E OFFSET changed from 0,1 to 1,1 by _Harry J. Smith_, Oct 14 2009