n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 28 |
4 | 353 |
5 | 3126 |
6 | 94237 |
7 | 823544 |
8 | 72042497 |
9 | 585825130 |
10 | 157671732881 |
11 | 285311670612 |
12 | 790577855833537 |
13 | 302875106592254 |
14 | 5876819345289651137 |
15 | 55890419425648520176 |
16 | 73205730667453550166017 |
17 | 827240261886336764178 |
18 | 1474631675630757976051079425 |
[1,5,28,353,3126,94237,823544,72042497,585825130, 157671732881,285311670612,790577855833537, 302875106592254,5876819345289651137, 55890419425648520176,73205730667453550166017, 827240261886336764178, 1474631675630757976051079425] |