n | a(n) |
---|---|
1 | 1 |
2 | 11 |
3 | 80 |
4 | 609 |
5 | 4783 |
6 | 39175 |
7 | 332180 |
8 | 2880504 |
9 | 25423491 |
10 | 227523275 |
11 | 2059020280 |
12 | 18803924340 |
13 | 173032709183 |
14 | 1602470783672 |
15 | 14922284735484 |
16 | 139619168787795 |
17 | 1311778575685086 |
18 | 12369977142579584 |
19 | 117028833597800689 |
20 | 1110409801150582707 |
[1,11,80,609,4783,39175,332180,2880504,25423491, 227523275,2059020280,18803924340,173032709183, 1602470783672,14922284735484,139619168787795, 1311778575685086,12369977142579584, 117028833597800689,1110409801150582707] |