The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 152 |
| 2 | 1448 |
| 3 | 1448 |
| 4 | 13800 |
| 5 | 33416 |
| 6 | 13800 |
| 7 | 131528 |
| 8 | 773288 |
| 9 | 773288 |
| 10 | 131528 |
| 11 | 1253608 |
| 12 | 17903016 |
| 13 | 43689232 |
| 14 | 17903016 |
| 15 | 1253608 |
| 16 | 11948296 |
| 17 | 414522184 |
| 18 | 2473041560 |
| 19 | 2473041560 |
| 20 | 414522184 |
| 21 | 11948296 |
| 22 | 113880744 |
| 23 | 9597910280 |
| 24 | 140051200968 |
[152,1448,1448,13800,33416,13800,131528,773288, 773288,131528,1253608,17903016,43689232,17903016, 1253608,11948296,414522184,2473041560,2473041560, 414522184,11948296,113880744,9597910280, 140051200968] |