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| n | a(n) |
|---|---|
| 1 | 19320 |
| 2 | 306680 |
| 3 | 4385530 |
| 4 | 66702186 |
| 5 | 990142582 |
| 6 | 14924920644 |
| 7 | 223188511528 |
| 8 | 3356288767614 |
| 9 | 50316155376656 |
| 10 | 755701431331706 |
| 11 | 11339970860065408 |
| 12 | 170249371855057578 |
| 13 | 2555320401273992394 |
| 14 | 38360187030527862622 |
[19320,306680,4385530,66702186,990142582, 14924920644,223188511528,3356288767614, 50316155376656,755701431331706,11339970860065408, 170249371855057578,2555320401273992394, 38360187030527862622] |