Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 15 |
4 | 42 |
5 | 330 |
6 | 390 |
7 | 3990 |
8 | 9660 |
9 | 36540 |
10 | 41580 |
11 | 595980 |
12 | 651420 |
13 | 10630620 |
14 | 11711700 |
15 | 13153140 |
16 | 29189160 |
17 | 594233640 |
18 | 630990360 |
19 | 14083949880 |
20 | 15015120120 |
21 | 16411875480 |
22 | 17575838280 |
23 | 463140798120 |
24 | 484557713640 |
25 | 2690500012200 |
[1,3,15,42,330,390,3990,9660,36540,41580,595980, 651420,10630620,11711700,13153140,29189160, 594233640,630990360,14083949880,15015120120, 16411875480,17575838280,463140798120,484557713640, 2690500012200] |