%I #6 Dec 09 2015 21:42:01
%S 0,1,2,3,4,5,5,7,7,7,7,7,7,7,14,14,14,14,14,14,14,21,21,21,21,21,21,
%T 21,28,28,28,28,28,28,28,35,35,37,37,37,37,37,37,43,43,43,43,43,43,49,
%U 49,49,49,49,49,55,55,55,55,55,55,61,61,61,61,61,61,67,67,67,67,67,67,67,74,74,74,74,74,74,80,80,80
%N Largest base-6 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