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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 66 |
| 3 | 1024 |
| 4 | 15484 |
| 5 | 223261 |
| 6 | 3086910 |
| 7 | 41706415 |
| 8 | 555052466 |
| 9 | 7290902341 |
| 10 | 94741575142 |
| 11 | 1220402478079 |
| 12 | 15606462944668 |
| 13 | 198344727196650 |
| 14 | 2507419882264676 |
| 15 | 31552047403315039 |
| 16 | 395430103470867594 |
[5,66,1024,15484,223261,3086910,41706415, 555052466,7290902341,94741575142,1220402478079, 15606462944668,198344727196650,2507419882264676, 31552047403315039,395430103470867594] |