n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 8 |
4 | 17 |
5 | 39 |
6 | 95 |
7 | 240 |
8 | 619 |
9 | 1615 |
10 | 4241 |
11 | 11184 |
12 | 29601 |
13 | 78645 |
14 | 209830 |
15 | 562454 |
16 | 1515325 |
17 | 4104547 |
18 | 11180365 |
19 | 30627574 |
20 | 84375837 |
21 | 233729358 |
22 | 650888094 |
23 | 1821718080 |
24 | 5122765105 |
25 | 14468782826 |
26 | 41031251163 |
27 | 116789504201 |
28 | 333544999893 |
29 | 955496210873 |
30 | 2744724190487 |
[1,2,4,8,17,39,95,240,619,1615,4241,11184,29601, 78645,209830,562454,1515325,4104547,11180365, 30627574,84375837,233729358,650888094,1821718080, 5122765105,14468782826,41031251163,116789504201, 333544999893,955496210873,2744724190487] |