n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 49 |
5 | 265 |
6 | 1683 |
7 | 12035 |
8 | 95169 |
9 | 832337 |
10 | 7998467 |
11 | 83033403 |
12 | 922112305 |
13 | 10978263257 |
14 | 139956480467 |
15 | 1889161216179 |
16 | 26798589518593 |
17 | 401123509624737 |
18 | 6346168059440515 |
19 | 105040097140558699 |
20 | 1805102151607613361 |
21 | 32421358229074354601 |
[1,1,3,11,49,265,1683,12035,95169,832337,7998467, 83033403,922112305,10978263257,139956480467, 1889161216179,26798589518593,401123509624737, 6346168059440515,105040097140558699, 1805102151607613361,32421358229074354601] |