n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 41 |
4 | 155 |
5 | 590 |
6 | 2258 |
7 | 8677 |
8 | 33454 |
9 | 129335 |
10 | 501180 |
11 | 1945997 |
12 | 7569223 |
13 | 29487091 |
14 | 115029830 |
15 | 449288570 |
16 | 1756808604 |
17 | 6876430799 |
18 | 26940317004 |
19 | 105635470645 |
20 | 414528962220 |
21 | 1627841401281 |
22 | 6396735649200 |
23 | 25152046015693 |
24 | 98955167336425 |
25 | 389526824102747 |
[1,3,11,41,155,590,2258,8677,33454,129335,501180, 1945997,7569223,29487091,115029830,449288570, 1756808604,6876430799,26940317004,105635470645, 414528962220,1627841401281,6396735649200, 25152046015693,98955167336425,389526824102747] |