n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 16 |
7 | 36 |
8 | 76 |
9 | 172 |
10 | 436 |
11 | 1156 |
12 | 3006 |
13 | 7606 |
14 | 19202 |
15 | 49466 |
16 | 130156 |
17 | 345356 |
18 | 915196 |
19 | 2421532 |
20 | 6427001 |
21 | 17163581 |
22 | 46087911 |
23 | 124133531 |
24 | 334850208 |
25 | 904691576 |
26 | 2449891276 |
27 | 6651540676 |
28 | 18100561856 |
29 | 49344295152 |
30 | 134719523056 |
31 | 368350942416 |
32 | 1008680051756 |
[1,1,1,1,2,6,16,36,76,172,436,1156,3006,7606, 19202,49466,130156,345356,915196,2421532,6427001, 17163581,46087911,124133531,334850208,904691576, 2449891276,6651540676,18100561856,49344295152, 134719523056,368350942416,1008680051756] |