The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 7 | 1 |
| 8 | 159 |
| 9 | 7564 |
| 10 | 245964 |
| 11 | 6996588 |
| 12 | 193799140 |
| 13 | 5489211751 |
| 14 | 162272284974 |
| 15 | 5047554996855 |
| 16 | 165595774518042 |
| 17 | 5728636935767404 |
| 18 | 208700950019470460 |
| 19 | 7993330299623656154 |
| 20 | 321268248361695869991 |
| 21 | 13525506763517368392668 |
| 22 | 595415097485805608016210 |
| 23 | 27361311228606445955339071 |
[1,159,7564,245964,6996588,193799140,5489211751, 162272284974,5047554996855,165595774518042, 5728636935767404,208700950019470460, 7993330299623656154,321268248361695869991, 13525506763517368392668,595415097485805608016210, 27361311228606445955339071] |