n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 11 |
4 | 23 |
5 | 63 |
6 | 137 |
7 | 329 |
8 | 738 |
9 | 1618 |
10 | 3562 |
11 | 7578 |
12 | 16116 |
13 | 33540 |
14 | 69384 |
15 | 141608 |
16 | 286493 |
17 | 574173 |
18 | 1140355 |
19 | 2247835 |
20 | 4394415 |
21 | 8532983 |
22 | 16450061 |
23 | 31513869 |
24 | 59991541 |
25 | 113536117 |
26 | 213659967 |
27 | 399910311 |
28 | 744672519 |
29 | 1379758479 |
30 | 2544367633 |
[1,1,3,11,23,63,137,329,738,1618,3562,7578,16116, 33540,69384,141608,286493,574173,1140355,2247835, 4394415,8532983,16450061,31513869,59991541, 113536117,213659967,399910311,744672519, 1379758479,2544367633] |