n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 35 |
3 | 181 |
4 | 933 |
5 | 4811 |
6 | 24807 |
7 | 127913 |
8 | 659561 |
9 | 3400911 |
10 | 17536203 |
11 | 90422365 |
12 | 466247117 |
13 | 2404121747 |
14 | 12396433487 |
15 | 63920042065 |
16 | 329592522065 |
17 | 1699486218903 |
18 | 8763103574515 |
19 | 45185411569413 |
20 | 232990675202677 |
21 | 1201375684008283 |
22 | 6194683683674679 |
23 | 31941803427179001 |
[1,7,35,181,933,4811,24807,127913,659561,3400911, 17536203,90422365,466247117,2404121747, 12396433487,63920042065,329592522065, 1699486218903,8763103574515,45185411569413, 232990675202677,1201375684008283,6194683683674679, 31941803427179001] |