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) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 121 |
| 3 | 2025 |
| 4 | 40401 |
| 5 | 927369 |
| 6 | 24000201 |
| 7 | 689220009 |
| 8 | 21710549025 |
| 9 | 743187098889 |
| 10 | 27441452694681 |
| 11 | 1086166287819369 |
| 12 | 45846179189949681 |
| 13 | 2054407698719865225 |
| 14 | 97357866191666622441 |
| 15 | 4862830945258077841449 |
| 16 | 255239441235423753980481 |
| 17 | 14040944744510973314880009 |
[1,9,121,2025,40401,927369,24000201,689220009, 21710549025,743187098889,27441452694681, 1086166287819369,45846179189949681, 2054407698719865225,97357866191666622441, 4862830945258077841449,255239441235423753980481, 14040944744510973314880009] |