n | a(n) |
---|---|
6 | 4 |
7 | 60 |
8 | 588 |
9 | 4636 |
10 | 31932 |
11 | 200364 |
12 | 1174492 |
13 | 6538492 |
14 | 34965772 |
15 | 181084796 |
16 | 913687100 |
17 | 4511834156 |
18 | 21880671292 |
19 | 104497300828 |
20 | 492527133804 |
21 | 2295081478492 |
22 | 10588446843324 |
23 | 48422608206348 |
24 | 219723559153052 |
25 | 990104070700956 |
26 | 4433734940648588 |
[4,60,588,4636,31932,200364,1174492,6538492, 34965772,181084796,913687100,4511834156, 21880671292,104497300828,492527133804, 2295081478492,10588446843324,48422608206348, 219723559153052,990104070700956,4433734940648588] |