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Number of ordered pairs (u,v) of binary palindromes (see A006995) with u+v=n.
3

%I #11 Sep 04 2015 12:54:53

%S 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,

%T 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,

%U 6,0,4,0,8,2,4,0,4,0,8,0,6,0,6,0,4,2,4,0,4

%N Number of ordered pairs (u,v) of binary palindromes (see A006995) with u+v=n.

%H N. J. A. Sloane, <a href="/A261679/b261679.txt">Table of n, a(n) for n = 0..9999</a>

%F G.f. = (Sum_{p in A006995} x^p)^2.

%e 8=1+7=3+5=5+3=7+1, so a(8)=4.

%Y Cf. A006995, A261680.

%Y For zeros see A241491, A261678.

%K nonn,base

%O 0,2

%A _N. J. A. Sloane_, Sep 04 2015