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 A183229 #7 Apr 23 2022 16:22:03
%S A183229 1,1,1,10,17,126,3862,12741,110609,1929430,167593826,845443941,
%T A183229 11064102326,178820437901,7538334414717,1483432379403435,
%U A183229 10962589471724049,189591619730952006,3827839859607324106
%N A183229 G.f.: Sum_{n>=0} a(n)*x^n/n!^2 = Product_{n>=1} (1 + x^n/n!^2).
%e A183229 G.f.: A(x) = 1 + x + x^2/2!^2 + 10*x^3/3!^2 + 17*x^4/4!^2 +...
%e A183229 A(x) = (1 + x)*(1 + x^2/2!^2)*(1 + x^3/3!^2)*(1 + x^4/4!^2)*...
%o A183229 (PARI) {a(n)=n!^2*polcoeff(prod(k=1, n, 1+x^k/k!^2 +x*O(x^n)), n)}
%Y A183229 Cf. A183230, A007837.
%K A183229 nonn
%O A183229 0,4
%A A183229 _Paul D. Hanna_, Jan 04 2011