Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 20 |
4 | 218 |
5 | 3414 |
6 | 70306 |
7 | 1789850 |
8 | 54071216 |
9 | 1886496960 |
10 | 74588759664 |
11 | 3295393803888 |
12 | 160898970043632 |
13 | 8603780292835896 |
14 | 500078481148348176 |
15 | 31391957137745933088 |
16 | 2116613399519305596384 |
17 | 152558384742741641353056 |
18 | 11705479592386152200155200 |
[1,3,20,218,3414,70306,1789850,54071216, 1886496960,74588759664,3295393803888, 160898970043632,8603780292835896, 500078481148348176,31391957137745933088, 2116613399519305596384,152558384742741641353056, 11705479592386152200155200] |