n | a(n) |
---|---|
8 | 1 |
9 | 4 |
10 | 18 |
11 | 62 |
12 | 205 |
13 | 624 |
14 | 1841 |
15 | 5214 |
16 | 14448 |
17 | 39118 |
18 | 104281 |
19 | 273900 |
20 | 711416 |
21 | 1828950 |
22 | 4663203 |
23 | 11801056 |
24 | 29677044 |
25 | 74209404 |
26 | 184655403 |
27 | 457446252 |
28 | 1128794669 |
29 | 2775534900 |
30 | 6802886782 |
31 | 16625602146 |
32 | 40524317635 |
[1,4,18,62,205,624,1841,5214,14448,39118,104281, 273900,711416,1828950,4663203,11801056,29677044, 74209404,184655403,457446252,1128794669, 2775534900,6802886782,16625602146,40524317635] |