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, 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

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