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| n | a(n) |
|---|---|
| 1 | 160 |
| 2 | 1368 |
| 3 | 11236 |
| 4 | 85700 |
| 5 | 627189 |
| 6 | 4396769 |
| 7 | 29920256 |
| 8 | 198335901 |
| 9 | 1289725913 |
| 10 | 8254247466 |
| 11 | 52203733525 |
| 12 | 327041542672 |
| 13 | 2034356588846 |
| 14 | 12585148968678 |
| 15 | 77538471852097 |
| 16 | 476245181222104 |
| 17 | 2918495960358086 |
| 18 | 17854830618129496 |
[160,1368,11236,85700,627189,4396769,29920256, 198335901,1289725913,8254247466,52203733525, 327041542672,2034356588846,12585148968678, 77538471852097,476245181222104,2918495960358086, 17854830618129496] |