n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 48 |
5 | 461 |
6 | 5488 |
7 | 79171 |
8 | 1347328 |
9 | 26396185 |
10 | 585025024 |
11 | 14473813311 |
12 | 395433660416 |
13 | 11824374817893 |
14 | 384118189803520 |
15 | 13470784014801787 |
16 | 507233444671848448 |
17 | 20411081546839908401 |
18 | 874130806090067607552 |
19 | 39696948293418345150327 |
[0,1,2,7,48,461,5488,79171,1347328,26396185, 585025024,14473813311,395433660416,11824374817893, 384118189803520,13470784014801787, 507233444671848448,20411081546839908401, 874130806090067607552,39696948293418345150327] |