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.

A222076 O.g.f.: Sum_{n>=0} n^n*(n+2)^n * exp(-n*(n+2)*x) * x^n / n!.

Table of values

n a(n)
0 1
1 3
2 23
3 320
4 6397
5 166467
6 5338412
7 203578776
8 9001795829
9 452924585465
10 25555585227999
11 1598279794889076
12 109748572718377660
13 8209004345714098500
14 664396187060996529528
15 57853075421585981420208
16 5393119810256349152565573
17 535908449308064099732283429
18 56548822143306498413322880709

List of values

[1, 3, 23, 320, 6397, 166467, 5338412, 203578776, 9001795829, 452924585465, 25555585227999, 1598279794889076, 109748572718377660, 8209004345714098500, 664396187060996529528, 57853075421585981420208, 5393119810256349152565573, 535908449308064099732283429, 56548822143306498413322880709]