n | a(n) |
---|---|
1 | 40 |
2 | 74 |
3 | 183 |
4 | 409 |
5 | 950 |
6 | 2221 |
7 | 5235 |
8 | 12063 |
9 | 28230 |
10 | 65845 |
11 | 153721 |
12 | 357676 |
13 | 835423 |
14 | 1947580 |
15 | 4542768 |
16 | 10590805 |
17 | 24709416 |
18 | 57615880 |
19 | 134380567 |
20 | 313384529 |
21 | 730933689 |
22 | 1704584262 |
23 | 3975550976 |
24 | 9271665730 |
25 | 21623741651 |
26 | 50430265244 |
[40,74,183,409,950,2221,5235,12063,28230,65845, 153721,357676,835423,1947580,4542768,10590805, 24709416,57615880,134380567,313384529,730933689, 1704584262,3975550976,9271665730,21623741651, 50430265244] |