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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 141 |
| 3 | 3119 |
| 4 | 71977 |
| 5 | 1688295 |
| 6 | 39832247 |
| 7 | 941623211 |
| 8 | 22274020039 |
| 9 | 526997663309 |
| 10 | 12469419844637 |
| 11 | 295047590702713 |
| 12 | 6981363653378659 |
| 13 | 165192014421623009 |
| 14 | 3908750400013375947 |
| 15 | 92488301546612746461 |
| 16 | 2188444946392166774905 |
[7,141,3119,71977,1688295,39832247,941623211, 22274020039,526997663309,12469419844637, 295047590702713,6981363653378659, 165192014421623009,3908750400013375947, 92488301546612746461,2188444946392166774905] |