n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 13 |
6 | 46 |
7 | 88 |
8 | 209 |
9 | 473 |
10 | 1002 |
11 | 2120 |
12 | 5197 |
13 | 11085 |
14 | 25384 |
15 | 57234 |
16 | 126959 |
17 | 279883 |
18 | 640387 |
19 | 1412460 |
20 | 3182794 |
21 | 7138463 |
22 | 15963680 |
23 | 35593612 |
24 | 80143244 |
25 | 178644947 |
26 | 400681480 |
27 | 897313564 |
28 | 2008904252 |
29 | 4492651815 |
30 | 10074017008 |
31 | 22526314856 |
32 | 50459193392 |
[1,1,2,4,7,13,46,88,209,473,1002,2120,5197,11085, 25384,57234,126959,279883,640387,1412460,3182794, 7138463,15963680,35593612,80143244,178644947, 400681480,897313564,2008904252,4492651815, 10074017008,22526314856,50459193392] |