n | a(n) |
---|---|
0 | 1 |
1 | 19 |
2 | 121 |
3 | 619 |
4 | 3697 |
5 | 22389 |
6 | 138973 |
7 | 874277 |
8 | 5559985 |
9 | 35648953 |
10 | 230069191 |
11 | 1492690207 |
12 | 9727027549 |
13 | 63617931357 |
14 | 417371683689 |
15 | 2745447557409 |
16 | 18100412004049 |
17 | 119567904627743 |
18 | 791186114040565 |
19 | 5243056748156375 |
[1,19,121,619,3697,22389,138973,874277,5559985, 35648953,230069191,1492690207,9727027549, 63617931357,417371683689,2745447557409, 18100412004049,119567904627743,791186114040565, 5243056748156375] |