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A265544 a(n) = smallest base-3 palindrome m >= n such that every base-3 digit of n is <= the corresponding digit of m; m is written in base 10. 0
0, 1, 2, 4, 4, 8, 8, 8, 8, 10, 10, 20, 13, 13, 23, 16, 16, 26, 20, 20, 20, 23, 23, 23, 26, 26, 26, 28, 28, 56, 40, 40, 68, 52, 52, 80, 40, 40, 68, 40, 40, 68, 52, 52, 80, 52, 52, 80, 52, 52, 80, 52, 52, 80, 56, 56, 56, 68, 68, 68, 80, 80, 80, 68, 68, 68, 68, 68, 68, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 80, 82 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..81.

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: A095400 A237264 A265560 * A290221 A098820 A296613

Adjacent sequences:  A265541 A265542 A265543 * A265545 A265546 A265547

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Dec 10 2015

STATUS

approved

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Last modified September 19 14:36 EDT 2020. Contains 337178 sequences. (Running on oeis4.)