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.

A326091 E.g.f.: Sum_{n>=0} (2 + exp(n*x))^n * x^n/n!.

Table of values

n a(n)
0 1
1 3
2 11
3 66
4 601
5 7418
6 116505
7 2248522
8 52025473
9 1414524690
10 44471074249
11 1595792690594
12 64659403375137
13 2931455146804330
14 147550017664392457
15 8189594420467104042
16 498288959815836863233
17 33061714451161940667554
18 2381086262720126177230473
19 185362512554618232339122578
20 15539467373234774634135507361
21 1398111233425766921500901239098
22 134584560980879138160145116701257

List of values

[1, 3, 11, 66, 601, 7418, 116505, 2248522, 52025473, 1414524690, 44471074249, 1595792690594, 64659403375137, 2931455146804330, 147550017664392457, 8189594420467104042, 498288959815836863233, 33061714451161940667554, 2381086262720126177230473, 185362512554618232339122578, 15539467373234774634135507361, 1398111233425766921500901239098, 134584560980879138160145116701257]