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 A145169 #4 Aug 10 2014 06:50:11 %S A145169 1,3,24,361,7851,214245,6815986,242659191,9431036685,393771017068, %T A145169 17469277612998,817033067908275,40050828368606412,2048642917085523633, %U A145169 108968676087557745858,6010617981960195923285,343038687551360605111371 %N A145169 G.f. A(x) satisfies A(x/A(x)^2) = 1/(1-x)^3. %H A145169 Vaclav Kotesovec, <a href="/A145169/b145169.txt">Table of n, a(n) for n = 0..180</a> %F A145169 Self-convolution cube of A145167. %F A145169 Self-convolution square yields A145170. %o A145169 (PARI) {a(n)=local(A=1+x+x*O(x^n),B);for(n=0,n,B=serreverse(x/A^2);A=1/(1-B)^3);polcoeff(A,n)} %Y A145169 Cf. A145167, A145168, A145170 (A^2). %K A145169 nonn %O A145169 0,2 %A A145169 _Paul D. Hanna_, Oct 03 2008