The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 56 |
| 2 | 3136 |
| 3 | 93731 |
| 4 | 1771012 |
| 5 | 23738426 |
| 6 | 243933798 |
| 7 | 2030417942 |
| 8 | 14256118510 |
| 9 | 87061570336 |
| 10 | 473468963674 |
| 11 | 2335341201122 |
| 12 | 10598137054237 |
| 13 | 44753111308505 |
| 14 | 177414858857953 |
| 15 | 664941648534183 |
| 16 | 2369386354876666 |
| 17 | 8063121237072325 |
[56,3136,93731,1771012,23738426,243933798, 2030417942,14256118510,87061570336,473468963674, 2335341201122,10598137054237,44753111308505, 177414858857953,664941648534183,2369386354876666, 8063121237072325] |