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 A194279 #9 Dec 21 2012 18:40:06 %S A194279 1,3,6,13,21,36,58,93,141,203,306,420,616,828,1188,1569,2181,2877, %T A194279 3878,5085,6651,8844,11148,14928,18196,24864,29118,40540,45858,65280, %U A194279 70884,103425,108357,161853,162852,250395,242963,382644,356970,579637 %N A194279 Self-convolution cube of A073711. %C A194279 The g.f. G(x) of A073711 satisfies: G(x) = G(x^2) + x*G(x^2)^2. %H A194279 Paul D. Hanna, <a href="/A194279/b194279.txt">Table of n, a(n) for n = 0..10000</a> %F A194279 a(n) = A073711(4*n+3)/2. %F A194279 a(n) = A073712(2*n+1)/2, where A073712 equals the self-convolution of A073711. %o A194279 (PARI) {a(n)=local(A=1); for(i=0, #binary(n), A=subst(A, x, x^2+x*O(x^n))+x*subst(A, x, x^2+x*O(x^n))^2); polcoeff(A^3, n)} %o A194279 for(n=0, 65, print1(a(n), ", ")) %Y A194279 Cf. A073711, A073712. %K A194279 nonn %O A194279 0,2 %A A194279 _Paul D. Hanna_, Dec 21 2012