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A265531 Largest base-4 palindrome m <= n, written in base 10. 0
0, 1, 2, 3, 3, 5, 5, 5, 5, 5, 10, 10, 10, 10, 10, 15, 15, 17, 17, 17, 17, 21, 21, 21, 21, 25, 25, 25, 25, 29, 29, 29, 29, 29, 34, 34, 34, 34, 38, 38, 38, 38, 42, 42, 42, 42, 46, 46, 46, 46, 46, 51, 51, 51, 51, 55, 55, 55, 55, 59, 59, 59, 59, 63, 63, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
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: A113730 A154404 A225577 * A083662 A256405 A130149
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 09 2015
STATUS
approved

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Last modified March 19 03:33 EDT 2024. Contains 370952 sequences. (Running on oeis4.)