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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 59 |
| 3 | 426 |
| 4 | 11442 |
| 5 | 111951 |
| 6 | 3778560 |
| 7 | 41768676 |
| 8 | 1506610325 |
| 9 | 17357088679 |
| 10 | 636943229353 |
| 11 | 7432232971076 |
| 12 | 274815146069546 |
| 13 | 3227773066527514 |
| 14 | 119899193405842577 |
| 15 | 1414159783426636818 |
| 16 | 52710154832225023854 |
[5,59,426,11442,111951,3778560,41768676, 1506610325,17357088679,636943229353,7432232971076, 274815146069546,3227773066527514, 119899193405842577,1414159783426636818, 52710154832225023854] |