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| n | a(n) |
|---|---|
| 1 | 1316 |
| 2 | 7280 |
| 3 | 40978 |
| 4 | 228826 |
| 5 | 1247602 |
| 6 | 6853011 |
| 7 | 37822419 |
| 8 | 208778442 |
| 9 | 1150195313 |
| 10 | 6335359100 |
| 11 | 34913522464 |
| 12 | 192436464511 |
| 13 | 1060537739121 |
| 14 | 5844288421834 |
| 15 | 32206928983867 |
| 16 | 177491988769402 |
| 17 | 978153244754765 |
| 18 | 5390524419041649 |
[1316,7280,40978,228826,1247602,6853011,37822419, 208778442,1150195313,6335359100,34913522464, 192436464511,1060537739121,5844288421834, 32206928983867,177491988769402,978153244754765, 5390524419041649] |