n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 112 |
4 | 1128 |
5 | 14373 |
6 | 221952 |
7 | 4029915 |
8 | 84135510 |
9 | 1985740905 |
10 | 52277994396 |
11 | 1518768476508 |
12 | 48261093246396 |
13 | 1665034362336120 |
14 | 61979166611850084 |
15 | 2475861386988907814 |
16 | 105641851808320785498 |
17 | 4795101548183135826810 |
[1,3,15,112,1128,14373,221952,4029915,84135510, 1985740905,52277994396,1518768476508, 48261093246396,1665034362336120,61979166611850084, 2475861386988907814,105641851808320785498, 4795101548183135826810] |