n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 116 |
4 | 2140 |
5 | 52856 |
6 | 1627192 |
7 | 59930480 |
8 | 2568599056 |
9 | 125553289760 |
10 | 6892279877536 |
11 | 419788155021632 |
12 | 28090704069553600 |
13 | 2048487353985408896 |
14 | 161687913401407530880 |
15 | 13733087614786273308416 |
16 | 1248892148354210466595072 |
17 | 121073054127693143488709120 |
[1,2,10,116,2140,52856,1627192,59930480, 2568599056,125553289760,6892279877536, 419788155021632,28090704069553600, 2048487353985408896,161687913401407530880, 13733087614786273308416,1248892148354210466595072, 121073054127693143488709120] |