n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 84 |
4 | 1820 |
5 | 53130 |
6 | 1947792 |
7 | 85900584 |
8 | 4426165368 |
9 | 260887834350 |
10 | 17310309456440 |
11 | 1276749965026536 |
12 | 103619293824707388 |
13 | 9176358300744339432 |
14 | 880530516383349192480 |
15 | 91005567811177478095440 |
16 | 10078751602022313874633200 |
17 | 1190739044344491048895397910 |
[1,1,6,84,1820,53130,1947792,85900584,4426165368, 260887834350,17310309456440,1276749965026536, 103619293824707388,9176358300744339432, 880530516383349192480,91005567811177478095440, 10078751602022313874633200, 1190739044344491048895397910] |