n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 7 |
7 | 22 |
8 | 57 |
9 | 128 |
10 | 389 |
11 | 1904 |
12 | 9329 |
13 | 38040 |
14 | 132147 |
15 | 542648 |
16 | 3283633 |
17 | 20997824 |
18 | 114657097 |
19 | 536178880 |
20 | 2784500161 |
21 | 19876061312 |
22 | 153326461311 |
23 | 1034551839872 |
24 | 6051063485481 |
25 | 38079448046208 |
26 | 312420426154893 |
27 | 2785055242928768 |
28 | 22141255520251313 |
[1,1,1,1,1,2,7,22,57,128,389,1904,9329,38040, 132147,542648,3283633,20997824,114657097, 536178880,2784500161,19876061312,153326461311, 1034551839872,6051063485481,38079448046208, 312420426154893,2785055242928768, 22141255520251313] |