A265532 - OEIS

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A265532

Largest base-4 palindrome m <= n, written in base 4.

0, 1, 2, 3, 3, 11, 11, 11, 11, 11, 22, 22, 22, 22, 22, 33, 33, 101, 101, 101, 101, 111, 111, 111, 111, 121, 121, 121, 121, 131, 131, 131, 131, 131, 202, 202, 202, 202, 212, 212, 212, 212, 222, 222, 222, 222, 232, 232, 232, 232, 232, 303, 303, 303, 303, 313, 313, 313, 313, 323, 323, 323, 323, 333, 333, 1001, 1001

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..66.

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: A210194 A210755 A219224 * A112858 A161960 A287428

Adjacent sequences: A265529 A265530 A265531 * A265533 A265534 A265535

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Dec 09 2015

STATUS

approved