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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 341 |
| 3 | 4444 |
| 4 | 60039 |
| 5 | 754758 |
| 6 | 8638999 |
| 7 | 89104481 |
| 8 | 828893716 |
| 9 | 6983821643 |
| 10 | 53621106874 |
| 11 | 377769331391 |
| 12 | 2459320959398 |
| 13 | 14894188221320 |
| 14 | 84433809668941 |
| 15 | 450539327678840 |
| 16 | 2274144315956048 |
| 17 | 10906260377874097 |
| 18 | 49886929929379557 |
[16,341,4444,60039,754758,8638999,89104481, 828893716,6983821643,53621106874,377769331391, 2459320959398,14894188221320,84433809668941, 450539327678840,2274144315956048, 10906260377874097,49886929929379557] |