n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 53 |
5 | 316 |
6 | 2527 |
7 | 22072 |
8 | 239689 |
9 | 2774800 |
10 | 38284091 |
11 | 553477024 |
12 | 9284250109 |
13 | 161180444608 |
14 | 3187413648343 |
15 | 64638167906176 |
16 | 1473221217774353 |
17 | 34190645940363520 |
18 | 882759869810501491 |
19 | 23079229227696318976 |
[1,1,3,10,53,316,2527,22072,239689,2774800, 38284091,553477024,9284250109,161180444608, 3187413648343,64638167906176,1473221217774353, 34190645940363520,882759869810501491, 23079229227696318976] |