n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 47 |
5 | 221 |
6 | 1115 |
7 | 5947 |
8 | 33231 |
9 | 193453 |
10 | 1169239 |
11 | 7322827 |
12 | 47479855 |
13 | 318661109 |
14 | 2214609419 |
15 | 15948123771 |
16 | 119101155215 |
17 | 923085573061 |
18 | 7428862280327 |
19 | 62094175343547 |
20 | 538956428549743 |
21 | 4854974080968669 |
22 | 45347892277523467 |
23 | 438688081755797051 |
24 | 4389356528040108847 |
[1,1,3,11,47,221,1115,5947,33231,193453,1169239, 7322827,47479855,318661109,2214609419,15948123771, 119101155215,923085573061,7428862280327, 62094175343547,538956428549743,4854974080968669, 45347892277523467,438688081755797051, 4389356528040108847] |