n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 12 |
6 | 43 |
7 | 127 |
8 | 544 |
9 | 2361 |
10 | 11703 |
11 | 61690 |
12 | 351773 |
13 | 2126497 |
14 | 13639372 |
15 | 92197523 |
16 | 655035769 |
17 | 4874404108 |
18 | 37893370473 |
19 | 306986431847 |
20 | 2586209749712 |
21 | 22612848403571 |
22 | 204850732480285 |
23 | 1919652428481930 |
24 | 18581619724363401 |
25 | 185543613289200949 |
[1,1,2,3,7,12,43,127,544,2361,11703,61690,351773, 2126497,13639372,92197523,655035769,4874404108, 37893370473,306986431847,2586209749712, 22612848403571,204850732480285,1919652428481930, 18581619724363401,185543613289200949] |