n | a(n) |
---|---|
0 | 1 |
1 | 126 |
2 | 5292 |
3 | 116424 |
4 | 1646568 |
5 | 16818516 |
6 | 133613766 |
7 | 868489479 |
8 | 4789851066 |
9 | 23029990984 |
10 | 98561919456 |
11 | 381644355456 |
12 | 1354627767168 |
13 | 4454641311264 |
14 | 13691471089032 |
15 | 39620253756006 |
16 | 108618373687131 |
17 | 283595960194470 |
18 | 708397594804900 |
19 | 1699573176873000 |
[1,126,5292,116424,1646568,16818516,133613766, 868489479,4789851066,23029990984,98561919456, 381644355456,1354627767168,4454641311264, 13691471089032,39620253756006,108618373687131, 283595960194470,708397594804900,1699573176873000] |