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%I #6 Dec 09 2015 21:42:46
%S 0,1,2,3,4,5,6,6,11,11,11,11,11,11,11,11,22,22,22,22,22,22,22,22,33,
%T 33,33,33,33,33,33,33,44,44,44,44,44,44,44,44,55,55,55,55,55,55,55,55,
%U 66,66,101,101,101,101,101,101,101,111,111,111,111,111,111,111,121,121,121,121,121,121,121,131,131,131,131
%N Largest base-7 palindrome m <= n, written in base 7.
%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
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