n | a(n) |
---|---|
1 | 6 |
2 | 96 |
3 | 294 |
4 | 1176 |
5 | 4056 |
6 | 15000 |
7 | 54150 |
8 | 196566 |
9 | 714150 |
10 | 2589894 |
11 | 9405024 |
12 | 34129350 |
13 | 123887616 |
14 | 449661894 |
15 | 1632114294 |
16 | 5924052504 |
17 | 21502190976 |
18 | 78045783606 |
19 | 283279234776 |
20 | 1028207094936 |
21 | 3732040069656 |
22 | 13546029168150 |
23 | 49167456532134 |
[6,96,294,1176,4056,15000,54150,196566,714150, 2589894,9405024,34129350,123887616,449661894, 1632114294,5924052504,21502190976,78045783606, 283279234776,1028207094936,3732040069656, 13546029168150,49167456532134] |