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.

A078740 Triangle of generalized Stirling numbers S_{3,2}(n,k) read by rows (n>=1, 2<=k<=2n).

Table of values

n a(n)
1 1
2 6
3 6
4 1
5 72
6 168
7 96
8 18
9 1
10 1440
11 5760
12 6120
13 2520
14 456
15 36
16 1
17 43200
18 259200
19 424800
20 285120
21 92520
22 15600
23 1380
24 60
25 1
26 1814400
27 15120000
28 34776000
29 33566400
30 16304400
31 4379760
32 682200
33 62400
34 3270
35 90
36 1
37 101606400
38 1117670400

List of values

[1, 6, 6, 1, 72, 168, 96, 18, 1, 1440, 5760, 6120, 2520, 456, 36, 1, 43200, 259200, 424800, 285120, 92520, 15600, 1380, 60, 1, 1814400, 15120000, 34776000, 33566400, 16304400, 4379760, 682200, 62400, 3270, 90, 1, 101606400, 1117670400]