n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 9 |
5 | 21 |
6 | 76 |
7 | 104 |
8 | 255 |
9 | 936 |
10 | 1321 |
11 | 3327 |
12 | 12250 |
13 | 17682 |
14 | 45200 |
15 | 166420 |
16 | 244431 |
17 | 630586 |
18 | 2318863 |
19 | 3453662 |
20 | 8964527 |
21 | 32909250 |
22 | 49579091 |
23 | 129250365 |
24 | 473604092 |
25 | 720390529 |
26 | 1884080667 |
27 | 6890849851 |
28 | 10567693128 |
29 | 27706723888 |
30 | 101151927464 |
31 | 156225285080 |
32 | 410396361463 |
[1,1,2,7,9,21,76,104,255,936,1321,3327,12250, 17682,45200,166420,244431,630586,2318863,3453662, 8964527,32909250,49579091,129250365,473604092, 720390529,1884080667,6890849851,10567693128, 27706723888,101151927464,156225285080, 410396361463] |