Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 9 |
5 | 33 |
6 | 167 |
7 | 944 |
8 | 6390 |
9 | 49450 |
10 | 434374 |
11 | 4259184 |
12 | 46122552 |
13 | 546390012 |
14 | 7027204428 |
15 | 97489431360 |
16 | 1450957014000 |
17 | 23058303178896 |
18 | 389666143681776 |
19 | 6977203291635840 |
20 | 131947560745672320 |
21 | 2627899581335038560 |
22 | 54977516540430772320 |
23 | 1205366436933694882560 |
[0,1,2,9,33,167,944,6390,49450,434374,4259184, 46122552,546390012,7027204428,97489431360, 1450957014000,23058303178896,389666143681776, 6977203291635840,131947560745672320, 2627899581335038560,54977516540430772320, 1205366436933694882560] |