n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 27 |
6 | 82 |
7 | 268 |
8 | 940 |
9 | 3476 |
10 | 13448 |
11 | 53968 |
12 | 223412 |
13 | 949535 |
14 | 4128594 |
15 | 18310972 |
16 | 82645012 |
17 | 378851428 |
18 | 1760998280 |
19 | 8288679056 |
20 | 39457907128 |
21 | 189784872428 |
22 | 921472827272 |
23 | 4512940614960 |
24 | 22279014978544 |
25 | 110797225212112 |
[1,1,2,4,10,27,82,268,940,3476,13448,53968,223412, 949535,4128594,18310972,82645012,378851428, 1760998280,8288679056,39457907128,189784872428, 921472827272,4512940614960,22279014978544, 110797225212112] |