n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 58 |
4 | 257 |
5 | 1126 |
6 | 4882 |
7 | 20980 |
8 | 89497 |
9 | 379438 |
10 | 1600406 |
11 | 6720748 |
12 | 28117498 |
13 | 117254268 |
14 | 487589572 |
15 | 2022568168 |
16 | 8371423177 |
17 | 34581780478 |
18 | 142605399982 |
19 | 587138954428 |
20 | 2413944555742 |
21 | 9911778919348 |
22 | 40650232625212 |
23 | 166534680737368 |
24 | 681576405563722 |
[1,3,13,58,257,1126,4882,20980,89497,379438, 1600406,6720748,28117498,117254268,487589572, 2022568168,8371423177,34581780478,142605399982, 587138954428,2413944555742,9911778919348, 40650232625212,166534680737368,681576405563722] |