The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 145 |
| 4 | 3361 |
| 5 | 101601 |
| 6 | 3786601 |
| 7 | 167756689 |
| 8 | 8611201665 |
| 9 | 502522701121 |
| 10 | 32854723149961 |
| 11 | 2378687990172561 |
| 12 | 188913154677765409 |
| 13 | 16328988725252964385 |
| 14 | 1525987835722540609641 |
| 15 | 153312690475268723848081 |
[1,9,145,3361,101601,3786601,167756689,8611201665, 502522701121,32854723149961,2378687990172561, 188913154677765409,16328988725252964385, 1525987835722540609641,153312690475268723848081] |