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.

A319219 Expansion of e.g.f. Product_{k>=1} 1/(1 + x^k/(k - 1)!).

Table of values

n a(n)
0 1
1 -1
2 0
3 -3
4 32
5 -105
6 204
7 -3325
8 52408
9 -376425
10 1304180
11 -25766301
12 659066484
13 -6675505837
14 30765540974
15 -893416597515
16 29169795361424
17 -380344619169729
18 2379504317523300
19 -84225906785770525
20 3388223174832010540
21 -55107296201168047221
22 422923168260105913070

List of values

[1, -1, 0, -3, 32, -105, 204, -3325, 52408, -376425, 1304180, -25766301, 659066484, -6675505837, 30765540974, -893416597515, 29169795361424, -380344619169729, 2379504317523300, -84225906785770525, 3388223174832010540, -55107296201168047221, 422923168260105913070]