n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 10 |
5 | 31 |
6 | 69 |
7 | 196 |
8 | 451 |
9 | 1168 |
10 | 2813 |
11 | 7119 |
12 | 17618 |
13 | 44206 |
14 | 111399 |
15 | 277972 |
16 | 709411 |
17 | 1763795 |
18 | 4543873 |
19 | 11269489 |
20 | 29244239 |
21 | 72402587 |
22 | 188977618 |
23 | 467258134 |
24 | 1225383748 |
25 | 3026799348 |
26 | 7969173506 |
27 | 19669004793 |
28 | 51959167749 |
29 | 128161003199 |
30 | 339530403506 |
[1,1,1,7,10,31,69,196,451,1168,2813,7119,17618, 44206,111399,277972,709411,1763795,4543873, 11269489,29244239,72402587,188977618,467258134, 1225383748,3026799348,7969173506,19669004793, 51959167749,128161003199,339530403506] |