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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
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
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 09 2015
STATUS
approved

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