n | a(n) |
---|---|
1 | 6 |
2 | 56 |
3 | 292 |
4 | 1254 |
5 | 4942 |
6 | 18584 |
7 | 67756 |
8 | 241542 |
9 | 846502 |
10 | 2927816 |
11 | 10023380 |
12 | 34042358 |
13 | 114900334 |
14 | 385933816 |
15 | 1291392908 |
[6,56,292,1254,4942,18584,67756,241542,846502, 2927816,10023380,34042358,114900334,385933816, 1291392908] |