n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 4 |
6 | 6 |
7 | 12 |
8 | 22 |
9 | 38 |
10 | 70 |
11 | 130 |
12 | 237 |
13 | 441 |
14 | 825 |
15 | 1539 |
16 | 2897 |
17 | 5453 |
18 | 10335 |
19 | 19556 |
20 | 37243 |
21 | 70938 |
22 | 135555 |
23 | 259586 |
24 | 497790 |
25 | 956126 |
26 | 1839597 |
27 | 3544827 |
28 | 6839282 |
29 | 13212389 |
30 | 25552386 |
31 | 49472951 |
32 | 95883938 |
33 | 186011076 |
34 | 361177503 |
35 | 701906519 |
[0,1,1,3,4,6,12,22,38,70,130,237,441,825,1539, 2897,5453,10335,19556,37243,70938,135555,259586, 497790,956126,1839597,3544827,6839282,13212389, 25552386,49472951,95883938,186011076,361177503, 701906519] |