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.

A181316 G.f.: A(x) = exp( Sum_{n>=1} 2*((3^n-1)/2)^(n-1)*x^n/n ).

Table of values

n a(n)
0 1
1 2
2 6
3 122
4 32242
5 85808250
6 2130201408474
7 487143290951349930
8 1021074261736069185881850
9 19547957495950654924427730234138
10 3408841202663503254998708590894515413082

List of values

[1, 2, 6, 122, 32242, 85808250, 2130201408474, 487143290951349930, 1021074261736069185881850, 19547957495950654924427730234138, 3408841202663503254998708590894515413082]