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 A302289 #4 Apr 05 2018 20:37:30
%S A302289 1,1,3,10,30,98,323,1083,3684,12710,44272,155608,551259,1965952,
%T A302289 7052990,25436711,92168542,335376653,1224991077,4489818110,
%U A302289 16507728007,60868469848,225030777305,833961333273,3097594423724,11529400593846,42996077073284,160632616725238,601132116489719,2253153800577748
%N A302289 G.f. A(x) satisfies: A(x) = Product_{k>=1} (1 + k*x^k*A(x)).
%e A302289 G.f. A(x) = 1 + x + 3*x^2 + 10*x^3 + 30*x^4 + 98*x^5 + 323*x^6 + 1083*x^7 + 3684*x^8 + 12710*x^9 + 44272*x^10 + ...
%e A302289 G.f. A(x) satisfies: A(x) = (1 + x*A(x)) * (1 + 2*x^2*A(x)) * (1 + 3*x^3*A(x)) * (1 + 4*x^4*A(x)) * ...
%Y A302289 Cf. A022629, A145267, A301456, A301577, A301578, A302287, A302288.
%K A302289 nonn
%O A302289 0,3
%A A302289 _Ilya Gutkovskiy_, Apr 04 2018