n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 2 |
4 | 8 |
5 | 5 |
6 | 30 |
7 | 14 |
8 | 112 |
9 | 42 |
10 | 420 |
11 | 132 |
12 | 1584 |
13 | 429 |
14 | 6006 |
15 | 1430 |
16 | 22880 |
17 | 4862 |
18 | 87516 |
19 | 16796 |
20 | 335920 |
21 | 58786 |
22 | 1293292 |
23 | 208012 |
24 | 4992288 |
25 | 742900 |
26 | 19315400 |
27 | 2674440 |
28 | 74884320 |
29 | 9694845 |
30 | 290845350 |
31 | 35357670 |
32 | 1131445440 |
33 | 129644790 |
34 | 4407922860 |
35 | 477638700 |
36 | 17194993200 |
[0,1,2,2,8,5,30,14,112,42,420,132,1584,429,6006, 1430,22880,4862,87516,16796,335920,58786,1293292, 208012,4992288,742900,19315400,2674440,74884320, 9694845,290845350,35357670,1131445440,129644790, 4407922860,477638700,17194993200] |