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 A258792 #5 Jun 11 2015 06:25:00 %S A258792 1,6,69,915,12978,194688,3051617,49526487,826910754,14135805042, %T A258792 246508115583,4372617452085,78714369892152,1435357362134796, %U A258792 26472477913596486,493178852479545556,9270953614684288962,175695092091980786166,3354069936616380522256 %N A258792 a(n) = [x^n] Product_{k=1..n} 1/(x^k*(1-x^k)^3). %F A258792 a(n) ~ c * d^n / n^3, where d = 22.0610202494679061193859054301626736218023392292898139172609021542610... = r^4/(r-1)^3, where r is the root of the equation polylog(2, 1-r) + (2*log(r)^2)/3 = 0, c = 20.953639522741... . %t A258792 Table[SeriesCoefficient[1/Product[x^k*(1-x^k)^3, {k, 1, n}], {x, 0, n}], {n, 0, 20}] %t A258792 Table[SeriesCoefficient[1/Product[1-x^k, {k, 1, n}]^3, {x, 0, n*(n+3)/2}], {n, 0, 20}] %Y A258792 Cf. A258788, A258790, A258794, A258795, A258796. %K A258792 nonn %O A258792 0,2 %A A258792 _Vaclav Kotesovec_, Jun 10 2015