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A265517 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 10. 0
0, 1, 2, 3, 4, 5, 0, 7, 7, 7, 7, 7, 0, 7, 14, 14, 14, 14, 0, 7, 14, 21, 21, 21, 0, 7, 14, 21, 28, 28, 0, 7, 14, 21, 28, 35, 0, 37, 37, 37, 37, 37, 0, 43, 43, 43, 43, 43, 0, 49, 49, 49, 49, 49, 0, 55, 55, 55, 55, 55, 0, 61, 61, 61, 61, 61, 0, 67, 67, 67, 67, 67, 0, 37, 74, 74, 74, 74, 0, 43, 80, 80, 80, 80, 0, 49, 86 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..86.

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: A279385 A267000 A224892 * A063972 A063973 A126441

Adjacent sequences:  A265514 A265515 A265516 * A265518 A265519 A265520

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Dec 09 2015

STATUS

approved

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Last modified April 21 14:36 EDT 2021. Contains 343154 sequences. (Running on oeis4.)