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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 117 |
| 3 | 3042 |
| 4 | 79092 |
| 5 | 2056392 |
| 6 | 53466192 |
| 7 | 1390120992 |
| 8 | 36143145792 |
| 9 | 939721790592 |
| 10 | 24432766555392 |
| 11 | 635251930440192 |
| 12 | 16516550191444992 |
| 13 | 429430304977569792 |
| 14 | 11165187929416814592 |
| 15 | 290294886164837179392 |
| 16 | 7547667040285766664192 |
[5,117,3042,79092,2056392,53466192,1390120992, 36143145792,939721790592,24432766555392, 635251930440192,16516550191444992, 429430304977569792,11165187929416814592, 290294886164837179392,7547667040285766664192] |