Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 18 |
6 | 99 |
7 | 612 |
8 | 4376 |
9 | 35620 |
10 | 324965 |
11 | 3285270 |
12 | 36462924 |
13 | 440840358 |
14 | 5767387591 |
15 | 81184266632 |
16 | 1223531387056 |
17 | 19657686459528 |
18 | 335404201199049 |
19 | 6056933308042410 |
20 | 115417137054004820 |
21 | 2314399674388138810 |
22 | 48717810299204919851 |
23 | 1074106226256896375532 |
[0,0,1,2,4,18,99,612,4376,35620,324965,3285270, 36462924,440840358,5767387591,81184266632, 1223531387056,19657686459528,335404201199049, 6056933308042410,115417137054004820, 2314399674388138810,48717810299204919851, 1074106226256896375532] |