n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 24 |
5 | 64 |
6 | 234 |
7 | 773 |
8 | 2834 |
9 | 9831 |
10 | 36850 |
11 | 136350 |
12 | 513560 |
13 | 1943118 |
14 | 7518616 |
15 | 28941609 |
16 | 112624730 |
17 | 442163143 |
18 | 1745001882 |
19 | 6898346029 |
20 | 27491740152 |
21 | 109998293464 |
22 | 441017760936 |
23 | 1775880590304 |
24 | 7183972818702 |
25 | 29116762856767 |
26 | 118326172979525 |
27 | 482587819602284 |
28 | 1972390878751295 |
[1,1,3,6,24,64,234,773,2834,9831,36850,136350, 513560,1943118,7518616,28941609,112624730, 442163143,1745001882,6898346029,27491740152, 109998293464,441017760936,1775880590304, 7183972818702,29116762856767,118326172979525, 482587819602284,1972390878751295] |