n | a(n) |
---|---|
1 | 3 |
2 | 19 |
3 | 139 |
4 | 1035 |
5 | 7723 |
6 | 57643 |
7 | 430251 |
8 | 3211435 |
9 | 23970475 |
10 | 178918059 |
11 | 1335462571 |
12 | 9968028331 |
13 | 74402376363 |
14 | 555346897579 |
15 | 4145165675179 |
16 | 30939937811115 |
17 | 230938839788203 |
18 | 1723750967061163 |
19 | 12866252377336491 |
20 | 96035015150447275 |
[3,19,139,1035,7723,57643,430251,3211435,23970475, 178918059,1335462571,9968028331,74402376363, 555346897579,4145165675179,30939937811115, 230938839788203,1723750967061163, 12866252377336491,96035015150447275] |