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A261679
Number of ordered pairs (u,v) of binary palindromes (see A006995) with u+v=n.
3
1, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 0, 4, 0, 3, 2, 4, 2, 5, 0, 4, 2, 6, 0, 6, 0, 4, 2, 4, 0, 5, 2, 6, 2, 7, 0, 8, 0, 6, 0, 4, 0, 5, 0, 2, 2, 4, 0, 8, 0, 4, 2, 6, 0, 7, 0, 2, 0, 4, 0, 6, 0, 3, 2, 4, 2, 9, 0, 6, 0, 4, 0, 8, 2, 4, 0, 4, 0, 8, 0, 6, 0, 6, 0, 4, 2, 4, 0, 4
OFFSET
0,2
LINKS
FORMULA
G.f. = (Sum_{p in A006995} x^p)^2.
EXAMPLE
8=1+7=3+5=5+3=7+1, so a(8)=4.
CROSSREFS
For zeros see A241491, A261678.
Sequence in context: A036497 A211976 A035460 * A147657 A029232 A221531
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Sep 04 2015
STATUS
approved