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Largest base-6 palindrome m <= n, written in base 10.
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%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