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.

A091543 Triangle built from first column sequences of generalized Stirling2 arrays (m+2,2)-Stirling2, m >= 0.

Table of values

n a(n)
1 1
2 2
3 1
4 4
5 6
6 1
7 8
8 72
9 12
10 1
11 16
12 1440
13 360
14 20
15 1
16 32
17 43200
18 20160
19 1120
20 30
21 1
22 64
23 1814400
24 1814400
25 123200
26 2700
27 42
28 1
29 128
30 101606400
31 239500800
32 22422400
33 491400
34 5544
35 56
36 1
37 256
38 7315660800
39 43589145600
40 6098892800
41 150368400

List of values

[1, 2, 1, 4, 6, 1, 8, 72, 12, 1, 16, 1440, 360, 20, 1, 32, 43200, 20160, 1120, 30, 1, 64, 1814400, 1814400, 123200, 2700, 42, 1, 128, 101606400, 239500800, 22422400, 491400, 5544, 56, 1, 256, 7315660800, 43589145600, 6098892800, 150368400]