n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 11 |
7 | 41 |
8 | 77 |
9 | 365 |
10 | 694 |
11 | 3984 |
12 | 7639 |
13 | 51499 |
14 | 99343 |
15 | 769159 |
16 | 1490474 |
17 | 13031514 |
18 | 25341713 |
19 | 246925295 |
20 | 481540391 |
21 | 5173842311 |
22 | 10113069526 |
23 | 118776068256 |
24 | 232612909297 |
25 | 2964697094281 |
26 | 5815557347521 |
27 | 79937923931761 |
28 | 157024987610282 |
29 | 2315462770608870 |
30 | 4553838477539219 |
[1,1,1,2,6,11,41,77,365,694,3984,7639,51499,99343, 769159,1490474,13031514,25341713,246925295, 481540391,5173842311,10113069526,118776068256, 232612909297,2964697094281,5815557347521, 79937923931761,157024987610282,2315462770608870, 4553838477539219] |