The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 214 |
| 3 | 3906 |
| 4 | 197048 |
| 5 | 6328365 |
| 6 | 247277805 |
| 7 | 8830682187 |
| 8 | 328546555815 |
| 9 | 11994407265981 |
| 10 | 441751061429506 |
| 11 | 16202916180999264 |
| 12 | 595448412788077566 |
| 13 | 21862647259907974086 |
| 14 | 803056054269698852052 |
| 15 | 29491857372420704871557 |
[1,214,3906,197048,6328365,247277805,8830682187, 328546555815,11994407265981,441751061429506, 16202916180999264,595448412788077566, 21862647259907974086,803056054269698852052, 29491857372420704871557] |