n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 40 |
5 | 675 |
6 | 16023 |
7 | 488264 |
8 | 18150408 |
9 | 798091737 |
10 | 40691618165 |
11 | 2372928554920 |
12 | 156676126511294 |
13 | 11619829396974162 |
14 | 961567152709817189 |
15 | 88268869225674860344 |
16 | 8941327301073770038304 |
17 | 994670849523023025795108 |
[1,1,4,40,675,16023,488264,18150408,798091737, 40691618165,2372928554920,156676126511294, 11619829396974162,961567152709817189, 88268869225674860344,8941327301073770038304, 994670849523023025795108] |