This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A261679 #11 Sep 04 2015 12:54:53 %S A261679 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 A261679 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 A261679 6,0,4,0,8,2,4,0,4,0,8,0,6,0,6,0,4,2,4,0,4 %N A261679 Number of ordered pairs (u,v) of binary palindromes (see A006995) with u+v=n. %H A261679 N. J. A. Sloane, <a href="/A261679/b261679.txt">Table of n, a(n) for n = 0..9999</a> %F A261679 G.f. = (Sum_{p in A006995} x^p)^2. %e A261679 8=1+7=3+5=5+3=7+1, so a(8)=4. %Y A261679 Cf. A006995, A261680. %Y A261679 For zeros see A241491, A261678. %K A261679 nonn,base %O A261679 0,2 %A A261679 _N. J. A. Sloane_, Sep 04 2015