n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 13 |
6 | 46 |
7 | 248 |
8 | 1516 |
9 | 13654 |
10 | 142873 |
11 | 2156888 |
12 | 38456356 |
13 | 974936056 |
14 | 29540545024 |
15 | 1259111024288 |
16 | 64726478396896 |
17 | 4641989615977216 |
18 | 404396533544588344 |
19 | 48825344233129714772 |
20 | 7202552030561982627472 |
21 | 1464587581921220811285325 |
22 | 365627222082497915618219716 |
23 | 125253905685915522767942493032 |
24 | 52893528399758443649956432899616 |
[1,1,1,2,4,13,46,248,1516,13654,142873,2156888, 38456356,974936056,29540545024,1259111024288, 64726478396896,4641989615977216, 404396533544588344,48825344233129714772, 7202552030561982627472,1464587581921220811285325, 365627222082497915618219716, 125253905685915522767942493032, 52893528399758443649956432899616] |