Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 30 |
4 | 330 |
5 | 4290 |
6 | 72930 |
7 | 2114970 |
8 | 65564070 |
9 | 2688126870 |
10 | 115589455410 |
11 | 5432704404270 |
12 | 320529559851930 |
13 | 21475480510079310 |
14 | 1567710077235789630 |
15 | 123849096101627380770 |
16 | 10279474976435072603910 |
17 | 1038226972619942332994910 |
18 | 113166740015573714296445190 |
19 | 12787841621759829715498306470 |
[1,2,6,30,330,4290,72930,2114970,65564070, 2688126870,115589455410,5432704404270, 320529559851930,21475480510079310, 1567710077235789630,123849096101627380770, 10279474976435072603910,1038226972619942332994910, 113166740015573714296445190, 12787841621759829715498306470] |