n | a(n) |
---|---|
2 | 5 |
3 | 68 |
4 | 1012 |
5 | 6412 |
6 | 37784 |
7 | 196082 |
8 | 927564 |
9 | 4084752 |
10 | 17038624 |
11 | 68071813 |
12 | 262504506 |
13 | 982898538 |
14 | 3589650686 |
15 | 12832470099 |
16 | 45031577790 |
17 | 155480658676 |
18 | 529194130242 |
19 | 1778374522003 |
20 | 5908578890738 |
21 | 19430770840182 |
[5,68,1012,6412,37784,196082,927564,4084752, 17038624,68071813,262504506,982898538,3589650686, 12832470099,45031577790,155480658676,529194130242, 1778374522003,5908578890738,19430770840182] |