n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 28 |
4 | 245 |
5 | 1626 |
6 | 15127 |
7 | 190968 |
8 | 2389977 |
9 | 30873790 |
10 | 448821131 |
11 | 7114224756 |
12 | 118167143965 |
13 | 2069398819502 |
14 | 38512533444855 |
15 | 755518153347376 |
16 | 15502607812688529 |
17 | 332330062063140054 |
18 | 7436822666078492083 |
[1,2,3,28,245,1626,15127,190968,2389977,30873790, 448821131,7114224756,118167143965,2069398819502, 38512533444855,755518153347376,15502607812688529, 332330062063140054,7436822666078492083] |