n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 28 |
6 | 62 |
7 | 150 |
8 | 380 |
9 | 787 |
10 | 1760 |
11 | 3951 |
12 | 9338 |
13 | 19536 |
14 | 43224 |
15 | 94326 |
16 | 213278 |
17 | 448193 |
18 | 979712 |
19 | 2094981 |
20 | 4622262 |
21 | 9670378 |
22 | 20886560 |
23 | 44067191 |
24 | 95469402 |
25 | 198712506 |
[1,1,2,5,14,28,62,150,380,787,1760,3951,9338, 19536,43224,94326,213278,448193,979712,2094981, 4622262,9670378,20886560,44067191,95469402, 198712506] |