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%I #6 Dec 09 2015 21:41:29
%S 0,1,2,3,4,4,6,6,6,6,6,6,12,12,12,12,12,12,18,18,18,18,18,18,24,24,26,
%T 26,26,26,26,31,31,31,31,31,36,36,36,36,36,41,41,41,41,41,46,46,46,46,
%U 46,46,52,52,52,52,52,57,57,57,57,57,62,62,62,62,62,67,67,67,67,67,72,72,72,72,72,72,78,78,78,78,78
%N Largest base-5 palindrome m <= n, written in base 10.
%Y Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.
%K nonn,base
%O 0,3
%A _N. J. A. Sloane_, Dec 09 2015