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A265530 Largest base-3 palindrome m <= n, written in base 3. 0

%I #6 Dec 09 2015 21:40:36

%S 0,1,2,2,11,11,11,11,22,22,101,101,101,111,111,111,121,121,121,121,

%T 202,202,202,212,212,212,222,222,1001,1001,1001,1001,1001,1001,1001,

%U 1001,1001,1001,1001,1001,1111,1111,1111,1111,1111,1111,1111,1111,1111,1111,1111,1111,1221,1221,1221,1221,2002,2002,2002,2002

%N Largest base-3 palindrome m <= n, written in base 3.

%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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Last modified March 28 16:12 EDT 2024. Contains 371254 sequences. (Running on oeis4.)