n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 6 |
4 | 20 |
5 | 32 |
6 | 101 |
7 | 165 |
8 | 507 |
9 | 837 |
10 | 2531 |
11 | 4205 |
12 | 12583 |
13 | 20993 |
14 | 62368 |
15 | 104354 |
16 | 308438 |
17 | 517146 |
18 | 1522818 |
19 | 2557110 |
20 | 7508968 |
21 | 12623188 |
22 | 36990948 |
23 | 62237324 |
24 | 182092022 |
25 | 306566670 |
26 | 895859156 |
27 | 1508992496 |
28 | 4405521688 |
29 | 7423506680 |
[1,1,4,6,20,32,101,165,507,837,2531,4205,12583, 20993,62368,104354,308438,517146,1522818,2557110, 7508968,12623188,36990948,62237324,182092022, 306566670,895859156,1508992496,4405521688, 7423506680] |