Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 209 |
4 | 2257 |
5 | 22737 |
6 | 219345 |
7 | 2054353 |
8 | 18831569 |
9 | 169826513 |
10 | 1512003793 |
11 | 13323163857 |
12 | 116402378961 |
13 | 1009755576529 |
14 | 8706336970961 |
15 | 74677034637521 |
16 | 637626988058833 |
17 | 5422701592139985 |
18 | 45955098238474449 |
[1,17,209,2257,22737,219345,2054353,18831569, 169826513,1512003793,13323163857,116402378961, 1009755576529,8706336970961,74677034637521, 637626988058833,5422701592139985, 45955098238474449] |