n | a(n) |
---|---|
1 | 86 |
2 | 1915 |
3 | 18502 |
4 | 115716 |
5 | 568107 |
6 | 2392915 |
7 | 9064541 |
8 | 31777144 |
9 | 104876598 |
10 | 329032264 |
11 | 986501800 |
12 | 2835296957 |
13 | 7828424002 |
14 | 20803012406 |
15 | 53300631267 |
16 | 131909615889 |
17 | 315895583635 |
18 | 733342224413 |
19 | 1653158389976 |
20 | 3624784596348 |
[86,1915,18502,115716,568107,2392915,9064541, 31777144,104876598,329032264,986501800,2835296957, 7828424002,20803012406,53300631267,131909615889, 315895583635,733342224413,1653158389976, 3624784596348] |