n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 26 |
5 | 84 |
6 | 310 |
7 | 1124 |
8 | 4308 |
9 | 16899 |
10 | 67411 |
11 | 274117 |
12 | 1133883 |
13 | 4734386 |
14 | 20046775 |
15 | 85635245 |
16 | 368968792 |
17 | 1603346851 |
18 | 7012855376 |
19 | 30873802596 |
20 | 136729416911 |
21 | 608572823741 |
22 | 2722341370871 |
23 | 12231245323761 |
24 | 55177536688849 |
25 | 249879755863802 |
26 | 1135534288711325 |
27 | 5177282932102486 |
28 | 23677329377330933 |
[1,1,3,8,26,84,310,1124,4308,16899,67411,274117, 1133883,4734386,20046775,85635245,368968792, 1603346851,7012855376,30873802596,136729416911, 608572823741,2722341370871,12231245323761, 55177536688849,249879755863802,1135534288711325, 5177282932102486,23677329377330933] |