n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 15 |
6 | 32 |
7 | 66 |
8 | 142 |
9 | 306 |
10 | 672 |
11 | 1483 |
12 | 3316 |
13 | 7446 |
14 | 16859 |
15 | 38353 |
16 | 87735 |
17 | 201510 |
18 | 464801 |
19 | 1075744 |
20 | 2498053 |
21 | 5817576 |
22 | 13585231 |
23 | 31801732 |
24 | 74615404 |
25 | 175433624 |
26 | 413281276 |
27 | 975355639 |
28 | 2305763635 |
29 | 5459480822 |
30 | 12945857671 |
[1,1,2,4,8,15,32,66,142,306,672,1483,3316,7446, 16859,38353,87735,201510,464801,1075744,2498053, 5817576,13585231,31801732,74615404,175433624, 413281276,975355639,2305763635,5459480822, 12945857671] |