cp's OEIS Frontend

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.

A213409 G.f.: exp( Sum_{n>=1} binomial(3*n^2,n^2) * x^n/n ).

Table of values

n a(n)
0 1
1 3
2 252
3 1563022
4 563716946982
5 10517711119760250261
6 9692061982207456039533424586
7 430311348543725825536505706371595438684
8 906895928239445077568583988067142630846220290783969
9 89857639488565787203362892584824012528872539028234934088960440084

List of values

[1, 3, 252, 1563022, 563716946982, 10517711119760250261, 9692061982207456039533424586, 430311348543725825536505706371595438684, 906895928239445077568583988067142630846220290783969, 89857639488565787203362892584824012528872539028234934088960440084]