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.

A307080 a(n) = exp(1) * Sum_{k>=0} (-1)^k*(n*k + 1)^n/k!.

Table of values

n a(n)
0 1
1 0
2 -3
3 19
4 497
5 -1899
6 -489491
7 -15433676
8 618450881
9 120846851155
10 7012261819901
11 -467816186167659
12 -175527285590430863
13 -20961845760818684812
14 568194037748383908653
15 898095630359015975379151
16 220433074470274983356464897
17 16144974747716546214909454181

List of values

[1, 0, -3, 19, 497, -1899, -489491, -15433676, 618450881, 120846851155, 7012261819901, -467816186167659, -175527285590430863, -20961845760818684812, 568194037748383908653, 898095630359015975379151, 220433074470274983356464897, 16144974747716546214909454181]