n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 221 |
3 | 4991 |
4 | 118721 |
5 | 2908411 |
6 | 72616013 |
7 | 1837271615 |
8 | 46943003137 |
9 | 1208483403179 |
10 | 31297149356221 |
11 | 814471993937855 |
12 | 21281058718583873 |
13 | 557930580979801755 |
14 | 14669716953106628781 |
15 | 386675596518995000191 |
16 | 10214494658006725840897 |
17 | 270345191656309313382475 |
[1,11,221,4991,118721,2908411,72616013,1837271615, 46943003137,1208483403179,31297149356221, 814471993937855,21281058718583873, 557930580979801755,14669716953106628781, 386675596518995000191,10214494658006725840897, 270345191656309313382475] |