A265539 Largest base-8 palindrome m <= n, written in base 10.

0, 1, 2, 3, 4, 5, 6, 7, 7, 9, 9, 9, 9, 9, 9, 9, 9, 9, 18, 18, 18, 18, 18, 18, 18, 18, 18, 27, 27, 27, 27, 27, 27, 27, 27, 27, 36, 36, 36, 36, 36, 36, 36, 36, 36, 45, 45, 45, 45, 45, 45, 45, 45, 45, 54, 54, 54, 54, 54, 54, 54, 54, 54, 63, 63, 65, 65, 65, 65, 65, 65, 65, 65, 73, 73, 73, 73, 73, 73, 73, 73, 81, 81, 81

Offset

0,3

Links

Table of n, a(n) for n=0..83.

Mathematica

Table[Module[{c=n}, While[IntegerDigits[c, 8]!=Reverse[IntegerDigits[c, 8]], c--]; c], {n, 0, 90}] (* Harvey P. Dale, Sep 20 2022 *)

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: A337978 A332713 A017862 * A254926 A155919 A265540

Adjacent sequences: A265536 A265537 A265538 * A265540 A265541 A265542

Keyword

nonn,base

Author

N. J. A. Sloane, Dec 09 2015

Status

approved