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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 36 |
| 3 | 861 |
| 4 | 12783 |
| 5 | 165993 |
| 6 | 2229009 |
| 7 | 31121459 |
| 8 | 435195718 |
| 9 | 6036949807 |
| 10 | 83544266699 |
| 11 | 1157418183439 |
| 12 | 16047175896509 |
| 13 | 222477813284564 |
| 14 | 3083880367975284 |
| 15 | 42745762160067451 |
| 16 | 592517433790518729 |
| 17 | 8213258632362388728 |
[1,36,861,12783,165993,2229009,31121459,435195718, 6036949807,83544266699,1157418183439, 16047175896509,222477813284564,3083880367975284, 42745762160067451,592517433790518729, 8213258632362388728] |