n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 21 |
6 | 56 |
7 | 144 |
8 | 370 |
9 | 926 |
10 | 2275 |
11 | 5482 |
12 | 12966 |
13 | 30124 |
14 | 68838 |
15 | 154934 |
16 | 343756 |
17 | 752689 |
18 | 1627701 |
19 | 3479226 |
20 | 7355608 |
21 | 15390682 |
22 | 31889732 |
23 | 65465473 |
24 | 133212912 |
25 | 268811363 |
26 | 538119723 |
27 | 1069051243 |
28 | 2108416588 |
29 | 4129355331 |
30 | 8033439333 |
[1,1,2,4,8,21,56,144,370,926,2275,5482,12966, 30124,68838,154934,343756,752689,1627701,3479226, 7355608,15390682,31889732,65465473,133212912, 268811363,538119723,1069051243,2108416588, 4129355331,8033439333] |