n | a(n) |
---|---|
2 | 1 |
3 | 16 |
4 | 92 |
5 | 365 |
6 | 1204 |
7 | 3588 |
8 | 10093 |
9 | 27476 |
10 | 73440 |
11 | 194345 |
12 | 511576 |
13 | 1342936 |
14 | 3520457 |
15 | 9222440 |
16 | 24151764 |
17 | 63238773 |
18 | 165571628 |
19 | 433484476 |
20 | 1134891605 |
21 | 2971201740 |
22 | 7778726776 |
[1,16,92,365,1204,3588,10093,27476,73440,194345, 511576,1342936,3520457,9222440,24151764,63238773, 165571628,433484476,1134891605,2971201740, 7778726776] |