n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 47 |
5 | 194 |
6 | 977 |
7 | 5870 |
8 | 41099 |
9 | 328802 |
10 | 2959229 |
11 | 29592302 |
12 | 325515335 |
13 | 3906184034 |
14 | 50780392457 |
15 | 710925494414 |
16 | 10663882416227 |
17 | 170622118659650 |
18 | 2900576017214069 |
19 | 52210368309853262 |
20 | 991996997887211999 |
21 | 19839939957744240002 |
22 | 416638739112629040065 |
[1,2,5,14,47,194,977,5870,41099,328802,2959229, 29592302,325515335,3906184034,50780392457, 710925494414,10663882416227,170622118659650, 2900576017214069,52210368309853262, 991996997887211999,19839939957744240002, 416638739112629040065] |