n | a(n) |
---|---|
2 | 1 |
3 | 10 |
4 | 167 |
5 | 1720 |
6 | 24164 |
7 | 256116 |
8 | 3392843 |
9 | 36703824 |
10 | 472592916 |
11 | 5188948072 |
12 | 65723863196 |
13 | 729734918432 |
14 | 9145847808784 |
15 | 102432266545800 |
16 | 1274461449989715 |
17 | 14373136466094880 |
18 | 177882700353757460 |
19 | 2017523504473479992 |
20 | 24868664942648145372 |
[1,10,167,1720,24164,256116,3392843,36703824, 472592916,5188948072,65723863196,729734918432, 9145847808784,102432266545800,1274461449989715, 14373136466094880,177882700353757460, 2017523504473479992,24868664942648145372] |