Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 56 |
4 | 20 |
5 | 120 |
6 | 280 |
7 | 560 |
8 | 840 |
9 | 1680 |
10 | 10920 |
11 | 9240 |
12 | 18480 |
13 | 55440 |
14 | 120120 |
15 | 240240 |
16 | 314160 |
17 | 628320 |
18 | 1441440 |
19 | 2282280 |
20 | 7225680 |
21 | 4564560 |
22 | 9129120 |
23 | 13693680 |
24 | 27387360 |
25 | 54774720 |
26 | 68468400 |
27 | 77597520 |
28 | 136936800 |
29 | 155195040 |
30 | 310390080 |
31 | 465585120 |
32 | 775975200 |
33 | 1163962800 |
[1,4,56,20,120,280,560,840,1680,10920,9240,18480, 55440,120120,240240,314160,628320,1441440,2282280, 7225680,4564560,9129120,13693680,27387360, 54774720,68468400,77597520,136936800,155195040, 310390080,465585120,775975200,1163962800] |