Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 18 |
4 | 194 |
5 | 2550 |
6 | 39962 |
7 | 730002 |
8 | 15257090 |
9 | 359376750 |
10 | 9424209002 |
11 | 272385029466 |
12 | 8604312602690 |
13 | 294957765448710 |
14 | 10906288759973882 |
15 | 432701819402940450 |
16 | 18336112083960655874 |
17 | 826578941145375829470 |
18 | 39497618599385891373002 |
19 | 1994276034034710498109674 |
[0,0,2,18,194,2550,39962,730002,15257090, 359376750,9424209002,272385029466,8604312602690, 294957765448710,10906288759973882, 432701819402940450,18336112083960655874, 826578941145375829470,39497618599385891373002, 1994276034034710498109674] |