n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 15 |
7 | 32 |
8 | 99 |
9 | 210 |
10 | 650 |
11 | 1379 |
12 | 4268 |
13 | 9055 |
14 | 28025 |
15 | 59458 |
16 | 184021 |
17 | 390420 |
18 | 1208340 |
19 | 2563621 |
20 | 7934342 |
21 | 16833545 |
22 | 52099395 |
23 | 110534372 |
24 | 342101079 |
25 | 725803590 |
26 | 2246343710 |
27 | 4765855559 |
28 | 14750202128 |
29 | 31294112515 |
30 | 96854484845 |
31 | 205487024518 |
32 | 635977131241 |
[1,0,0,1,2,5,15,32,99,210,650,1379,4268,9055, 28025,59458,184021,390420,1208340,2563621,7934342, 16833545,52099395,110534372,342101079,725803590, 2246343710,4765855559,14750202128,31294112515, 96854484845,205487024518,635977131241] |