n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 3 |
4 | 4 |
5 | 65 |
6 | 306 |
7 | 4207 |
8 | 38424 |
9 | 573057 |
10 | 7753510 |
11 | 134046671 |
12 | 2353898196 |
13 | 47602871329 |
14 | 1013794852266 |
15 | 23751106404495 |
16 | 590663769125296 |
17 | 15806094859299329 |
18 | 448284980183376078 |
19 | 13515502344669830287 |
[0,1,0,3,4,65,306,4207,38424,573057,7753510, 134046671,2353898196,47602871329,1013794852266, 23751106404495,590663769125296,15806094859299329, 448284980183376078,13515502344669830287] |