n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 45 |
4 | 352 |
5 | 2769 |
6 | 21798 |
7 | 171613 |
8 | 1351104 |
9 | 10637217 |
10 | 83746630 |
11 | 659335821 |
12 | 5190939936 |
13 | 40868183665 |
14 | 321754529382 |
15 | 2533168051389 |
16 | 19943589881728 |
17 | 157015551002433 |
18 | 1236180818137734 |
19 | 9732430994099437 |
20 | 76623267134657760 |
21 | 603253706083162641 |
22 | 4749406381530643366 |
[1,6,45,352,2769,21798,171613,1351104,10637217, 83746630,659335821,5190939936,40868183665, 321754529382,2533168051389,19943589881728, 157015551002433,1236180818137734,9732430994099437, 76623267134657760,603253706083162641, 4749406381530643366] |