n | a(n) |
---|---|
1 | 1 |
2 | 15 |
3 | 180 |
4 | 2001 |
5 | 20755 |
6 | 200082 |
7 | 1781941 |
8 | 14637962 |
9 | 111011667 |
10 | 779695050 |
11 | 5093379110 |
12 | 31092553357 |
13 | 178203364143 |
14 | 963217652830 |
15 | 4930357535218 |
16 | 23989343505296 |
17 | 111335037107474 |
18 | 494383391324356 |
19 | 2106346854756098 |
[1,15,180,2001,20755,200082,1781941,14637962, 111011667,779695050,5093379110,31092553357, 178203364143,963217652830,4930357535218, 23989343505296,111335037107474,494383391324356, 2106346854756098] |