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.

A291973 a(n) = (3*n)! * [z^(3*n)] exp(exp(z)/3 + 2*exp(-z/2)*cos(z*sqrt(3)/2)/3 - 1).

Table of values

n a(n)
0 1
1 1
2 11
3 365
4 25323
5 3068521
6 583027547
7 161601254725
8 62042488237755
9 31728742163212641
10 20963751508027371691
11 17461136553331587079965
12 17967906090023681913528523
13 22459900935806853610377326041
14 33617974358392980795259947648187
15 59515082206147526028817472280664565

List of values

[1, 1, 11, 365, 25323, 3068521, 583027547, 161601254725, 62042488237755, 31728742163212641, 20963751508027371691, 17461136553331587079965, 17967906090023681913528523, 22459900935806853610377326041, 33617974358392980795259947648187, 59515082206147526028817472280664565]