n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 36 |
5 | 115 |
6 | 529 |
7 | 1895 |
8 | 8855 |
9 | 33729 |
10 | 160727 |
11 | 637268 |
12 | 3069226 |
13 | 12527125 |
14 | 60683485 |
15 | 253007532 |
16 | 1231455946 |
17 | 5218227906 |
18 | 25498514854 |
19 | 109450738571 |
20 | 536404268553 |
21 | 2326770285360 |
22 | 11429406175510 |
23 | 50009101642780 |
24 | 246121050775180 |
25 | 1084761675664592 |
26 | 5347280346046416 |
27 | 23714434855529478 |
[1,1,3,8,36,115,529,1895,8855,33729,160727,637268, 3069226,12527125,60683485,253007532,1231455946, 5218227906,25498514854,109450738571,536404268553, 2326770285360,11429406175510,50009101642780, 246121050775180,1084761675664592,5347280346046416, 23714434855529478] |