n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 155 |
3 | 2220 |
4 | 31265 |
5 | 429502 |
6 | 5796455 |
7 | 77009640 |
8 | 1009734835 |
9 | 13088591470 |
10 | 167965714273 |
11 | 2136403822060 |
12 | 26958029557805 |
13 | 337733366170870 |
14 | 4203655872002815 |
15 | 52010628718162744 |
16 | 639999271669543500 |
17 | 7835602953248681200 |
18 | 95484165081421513000 |
[1,10,155,2220,31265,429502,5796455,77009640, 1009734835,13088591470,167965714273,2136403822060, 26958029557805,337733366170870,4203655872002815, 52010628718162744,639999271669543500, 7835602953248681200,95484165081421513000] |