n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 6 |
4 | 9 |
5 | 33 |
6 | 62 |
7 | 185 |
8 | 393 |
9 | 1062 |
10 | 2409 |
11 | 6193 |
12 | 14542 |
13 | 36441 |
14 | 87129 |
15 | 215478 |
16 | 520073 |
17 | 1277441 |
18 | 3098334 |
19 | 7583481 |
20 | 18439977 |
21 | 45050950 |
22 | 109690537 |
23 | 267731409 |
24 | 652322286 |
25 | 1591394457 |
26 | 3878780921 |
27 | 9460182998 |
28 | 23062009545 |
29 | 56239784865 |
[0,1,1,6,9,33,62,185,393,1062,2409,6193,14542, 36441,87129,215478,520073,1277441,3098334,7583481, 18439977,45050950,109690537,267731409,652322286, 1591394457,3878780921,9460182998,23062009545, 56239784865] |