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A265528
Largest base-2 palindrome m <= 2n, written in base 2.
1
0, 1, 11, 101, 111, 1001, 1001, 1001, 1111, 10001, 10001, 10101, 10101, 10101, 11011, 11011, 11111, 100001, 100001, 100001, 100001, 100001, 100001, 101101, 101101, 101101, 110011, 110011, 110011, 110011, 110011, 110011, 111111, 1000001, 1000001, 1000001, 1000001, 1001001, 1001001, 1001001, 1001001, 1001001, 1001001
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: A043036 A072001 A265510 * A099821 A193415 A263609
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Dec 09 2015
STATUS
approved