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A265518 a(n) = largest base-6 palindrome m <= n such that every base-6 digit of m is <= the corresponding digit of n; m is written in base 6. 0
0, 1, 2, 3, 4, 5, 0, 11, 11, 11, 11, 11, 0, 11, 22, 22, 22, 22, 0, 11, 22, 33, 33, 33, 0, 11, 22, 33, 44, 44, 0, 11, 22, 33, 44, 55, 0, 101, 101, 101, 101, 101, 0, 111, 111, 111, 111, 111, 0, 121, 121, 121, 121, 121, 0, 131, 131, 131, 131, 131, 0, 141, 141, 141, 141, 141, 0, 151, 151, 151, 151, 151, 0, 101, 202, 202 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..75.

CROSSREFS

Sequences related to palindromic floor and ceiling: A175298, A206913, A206914, A261423, A262038, and the large block of consecutive sequences beginning at A265509.

Sequence in context: A126441 A004181 A080744 * A256296 A256306 A030548

Adjacent sequences:  A265515 A265516 A265517 * A265519 A265520 A265521

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Dec 09 2015

STATUS

approved

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Last modified April 21 14:50 EDT 2021. Contains 343154 sequences. (Running on oeis4.)