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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 164 |
| 2 | 13448 |
| 3 | 735212 |
| 4 | 30150416 |
| 5 | 989374772 |
| 6 | 27063010712 |
| 7 | 634754375804 |
| 8 | 13032761962016 |
| 9 | 237979582489028 |
| 10 | 3913291362389672 |
| 11 | 58538327243118860 |
| 12 | 803284881791282480 |
| 13 | 10183280170264971860 |
| 14 | 119978383321782198200 |
[1,164,13448,735212,30150416,989374772, 27063010712,634754375804,13032761962016, 237979582489028,3913291362389672, 58538327243118860,803284881791282480, 10183280170264971860,119978383321782198200] |