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.

A092081 Triangle of certain double factorials.

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 3
5 8
6 1
7 4
8 15
9 48
10 1
11 5
12 24
13 105
14 384
15 1
16 6
17 35
18 192
19 945
20 3840
21 1
22 7
23 48
24 315
25 1920
26 10395
27 46080
28 1
29 8
30 63
31 480
32 3465
33 23040
34 135135
35 645120
36 1
37 9
38 80
39 693
40 5760
41 45045
42 322560
43 2027025
44 10321920
45 1
46 10
47 99
48 960
49 9009
50 80640
51 675675
52 5160960

List of values

[1, 1, 2, 1, 3, 8, 1, 4, 15, 48, 1, 5, 24, 105, 384, 1, 6, 35, 192, 945, 3840, 1, 7, 48, 315, 1920, 10395, 46080, 1, 8, 63, 480, 3465, 23040, 135135, 645120, 1, 9, 80, 693, 5760, 45045, 322560, 2027025, 10321920, 1, 10, 99, 960, 9009, 80640, 675675, 5160960]