n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 2 |
4 | 6 |
5 | 8 |
6 | 22 |
7 | 42 |
8 | 112 |
9 | 252 |
10 | 650 |
11 | 1584 |
12 | 4091 |
13 | 10369 |
14 | 26938 |
15 | 69651 |
16 | 182116 |
17 | 476272 |
18 | 1253067 |
19 | 3302187 |
20 | 8733551 |
21 | 23142116 |
22 | 61477564 |
23 | 163612714 |
24 | 436278921 |
25 | 1165218495 |
26 | 3117021788 |
[1,2,2,6,8,22,42,112,252,650,1584,4091,10369, 26938,69651,182116,476272,1253067,3302187,8733551, 23142116,61477564,163612714,436278921,1165218495, 3117021788] |