n | a(n) |
---|---|
1 | 8 |
2 | 88 |
3 | 357 |
4 | 1626 |
5 | 7770 |
6 | 36968 |
7 | 175258 |
8 | 831558 |
9 | 3948404 |
10 | 18746665 |
11 | 88997634 |
12 | 422532920 |
13 | 2006061193 |
14 | 9524040233 |
15 | 45216905030 |
16 | 214675015515 |
17 | 1019204087151 |
18 | 4838836300654 |
19 | 22973170726615 |
20 | 109068876166318 |
21 | 517822263781608 |
[8,88,357,1626,7770,36968,175258,831558,3948404, 18746665,88997634,422532920,2006061193,9524040233, 45216905030,214675015515,1019204087151, 4838836300654,22973170726615,109068876166318, 517822263781608] |