n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 55 |
3 | 471 |
4 | 4251 |
5 | 39733 |
6 | 380731 |
7 | 3716695 |
8 | 36808723 |
9 | 368750757 |
10 | 3728940249 |
11 | 38003358693 |
12 | 389866749975 |
13 | 4022124746409 |
14 | 41697566691555 |
15 | 434124925278807 |
16 | 4536783726146499 |
17 | 47569453938399445 |
18 | 500266519237489357 |
19 | 5275183203229043221 |
20 | 55760274296452936741 |
[1,7,55,471,4251,39733,380731,3716695,36808723, 368750757,3728940249,38003358693,389866749975, 4022124746409,41697566691555,434124925278807, 4536783726146499,47569453938399445, 500266519237489357,5275183203229043221, 55760274296452936741] |