n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 27 |
3 | 156 |
4 | 935 |
5 | 5733 |
6 | 35700 |
7 | 224808 |
8 | 1427679 |
9 | 9126975 |
10 | 58659315 |
11 | 378658800 |
12 | 2453288292 |
13 | 15944020316 |
14 | 103897691640 |
15 | 678610095504 |
16 | 4441369072335 |
17 | 29120107628115 |
18 | 191233066114545 |
19 | 1257635016353100 |
[1,5,27,156,935,5733,35700,224808,1427679,9126975, 58659315,378658800,2453288292,15944020316, 103897691640,678610095504,4441369072335, 29120107628115,191233066114545,1257635016353100] |