n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 17 |
6 | 41 |
7 | 81 |
8 | 157 |
9 | 337 |
10 | 785 |
11 | 1825 |
12 | 4085 |
13 | 8913 |
14 | 19449 |
15 | 42993 |
16 | 95885 |
17 | 213777 |
18 | 474465 |
19 | 1049921 |
20 | 2323685 |
21 | 5150865 |
22 | 11429321 |
23 | 25358737 |
24 | 56233853 |
25 | 124658129 |
26 | 276348849 |
27 | 612740961 |
28 | 1358769877 |
29 | 3013068113 |
30 | 6681031065 |
31 | 14813622577 |
[1,1,1,1,5,17,41,81,157,337,785,1825,4085,8913, 19449,42993,95885,213777,474465,1049921,2323685, 5150865,11429321,25358737,56233853,124658129, 276348849,612740961,1358769877,3013068113, 6681031065,14813622577] |