Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 264 |
3 | 6588 |
4 | 67648 |
5 | 390750 |
6 | 1739232 |
7 | 5765144 |
8 | 17318400 |
9 | 43224597 |
10 | 103158000 |
11 | 214360212 |
12 | 445665024 |
13 | 815732918 |
14 | 1521998016 |
15 | 2574261000 |
16 | 4433514496 |
17 | 6975762354 |
18 | 11411293608 |
19 | 16983569900 |
20 | 26433456000 |
21 | 37980768672 |
22 | 56591095968 |
23 | 78310997448 |
[0,1,264,6588,67648,390750,1739232,5765144, 17318400,43224597,103158000,214360212,445665024, 815732918,1521998016,2574261000,4433514496, 6975762354,11411293608,16983569900,26433456000, 37980768672,56591095968,78310997448] |