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A265522
a(n) = largest base-8 palindrome m <= n such that every base-8 digit of m is <= the corresponding digit of n; m is written in base 8.
0
0, 1, 2, 3, 4, 5, 6, 7, 0, 11, 11, 11, 11, 11, 11, 11, 0, 11, 22, 22, 22, 22, 22, 22, 0, 11, 22, 33, 33, 33, 33, 33, 0, 11, 22, 33, 44, 44, 44, 44, 0, 11, 22, 33, 44, 55, 55, 55, 0, 11, 22, 33, 44, 55, 66, 66, 0, 11, 22, 33, 44, 55, 66, 77, 0, 101, 101, 101, 101, 101, 101, 101, 0, 111, 111, 111, 111, 111, 111, 111, 0
OFFSET
0,3
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: A195831 A265521 A004183 * A256298 A256308 A031035
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 09 2015
STATUS
approved