n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 17 |
6 | 28 |
7 | 76 |
8 | 120 |
9 | 352 |
10 | 538 |
11 | 1674 |
12 | 2493 |
13 | 8129 |
14 | 11854 |
15 | 40156 |
16 | 57558 |
17 | 201236 |
18 | 284392 |
19 | 1020922 |
20 | 1426038 |
21 | 5234660 |
22 | 7241356 |
23 | 27089726 |
24 | 37173304 |
25 | 141335846 |
26 | 192638992 |
27 | 742712598 |
28 | 1006564439 |
29 | 3927908193 |
30 | 5297715628 |
[1,1,2,4,7,17,28,76,120,352,538,1674,2493,8129, 11854,40156,57558,201236,284392,1020922,1426038, 5234660,7241356,27089726,37173304,141335846, 192638992,742712598,1006564439,3927908193, 5297715628] |