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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 3336 |
| 3 | 298361 |
| 4 | 23808476 |
| 5 | 1958821107 |
| 6 | 161617794805 |
| 7 | 13311860331263 |
| 8 | 1096571119921011 |
| 9 | 90332592148780928 |
| 10 | 7441355378176877032 |
| 11 | 612998553731816949526 |
| 12 | 50497150303834130394009 |
| 13 | 4159817600706531428357054 |
[8,3336,298361,23808476,1958821107,161617794805, 13311860331263,1096571119921011,90332592148780928, 7441355378176877032,612998553731816949526, 50497150303834130394009,4159817600706531428357054] |