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 A124563 #3 Mar 30 2012 18:37:01 %S A124563 1,1,4,22,158,1455,16918,244644,4361883,95746603,2592416878, %T A124563 86825876398,3607980811184,186517056299848,12022039151786966, %U A124563 967930783674722085,97490785254375447744,12299113367136495834881,1945525636812103772634604 %N A124563 Row 3 of table A124560; also, the self-convolution cube equals A124553, which is row 3 of table A124550. %C A124563 In table A124560, the g.f. of row n, R_n(y), simultaneously satisfies: R_n(y) = Sum_{k>=0} y^k * [R_{n*k}(y)]^(n*k) for n>=0. %F A124563 G.f.: A(x) = Sum_{k>=0} y^k * [R_{3k}(y)]^(3k), where R_n(x) is the g.f. of row n in table A124560. %Y A124563 Cf. A124560 (table); other rows: A124551, A124562, A124564, A124565, A124566. %K A124563 nonn %O A124563 0,3 %A A124563 _Paul D. Hanna_, Nov 07 2006