n | a(n) |
---|---|
1 | 3 |
2 | 28 |
3 | 254 |
4 | 2286 |
5 | 20577 |
6 | 185194 |
7 | 1666748 |
8 | 15000732 |
9 | 135006591 |
10 | 1215059320 |
11 | 10935533882 |
12 | 98419804938 |
13 | 885778244445 |
14 | 7972004200006 |
15 | 71748037800056 |
16 | 645732340200504 |
17 | 5811591061804539 |
[3,28,254,2286,20577,185194,1666748,15000732, 135006591,1215059320,10935533882,98419804938, 885778244445,7972004200006,71748037800056, 645732340200504,5811591061804539] |