n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 23 |
3 | 377 |
4 | 7229 |
5 | 151491 |
6 | 3361598 |
7 | 77635093 |
8 | 1846620581 |
9 | 44930294909 |
10 | 1113015378438 |
11 | 27976770344941 |
12 | 711771461238122 |
13 | 18293652115906958 |
14 | 474274581883631615 |
15 | 12388371266483017545 |
16 | 325714829431573496525 |
17 | 8613086428709348334675 |
18 | 228925936056388155632081 |
[1,2,23,377,7229,151491,3361598,77635093, 1846620581,44930294909,1113015378438, 27976770344941,711771461238122,18293652115906958, 474274581883631615,12388371266483017545, 325714829431573496525,8613086428709348334675, 228925936056388155632081] |