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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 2032 |
| 4 | 13452 |
| 5 | 99721 |
| 6 | 795741 |
| 7 | 6254245 |
| 8 | 48152625 |
| 9 | 370592973 |
| 10 | 2865971562 |
| 11 | 22186038788 |
| 12 | 171581957421 |
| 13 | 1326434442623 |
| 14 | 10255698509420 |
| 15 | 79304524508802 |
| 16 | 613232220011159 |
| 17 | 4741748954099224 |
| 18 | 36664951063937325 |
| 19 | 283508828799113387 |
[16,256,2032,13452,99721,795741,6254245,48152625, 370592973,2865971562,22186038788,171581957421, 1326434442623,10255698509420,79304524508802, 613232220011159,4741748954099224, 36664951063937325,283508828799113387] |