A265552 a(n) = smallest base-7 palindrome m >= n such that every base-7 digit of n is <= the corresponding digit of m; m is written in base 10.

0, 1, 2, 3, 4, 5, 6, 8, 8, 16, 24, 32, 40, 48, 16, 16, 16, 24, 32, 40, 48, 24, 24, 24, 24, 32, 40, 48, 32, 32, 32, 32, 32, 40, 48, 40, 40, 40, 40, 40, 40, 48, 48, 48, 48, 48, 48, 48, 48, 50, 50, 100, 150, 200, 250, 300, 57, 57, 107, 157, 207, 257, 307, 64, 64, 114, 164, 214, 264, 314, 71, 71, 121, 171, 221, 271, 321

Offset

0,3

Links

Table of n, a(n) for n=0..76.

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: A097502 A318122 A265568 * A303936 A368239 A303645

Adjacent sequences: A265549 A265550 A265551 * A265553 A265554 A265555

Keyword

nonn,base

Author

N. J. A. Sloane, Dec 10 2015

Status

approved