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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 495 |
| 4 | 79066 |
| 5 | 23024860 |
| 6 | 10572117273 |
| 7 | 7013015135896 |
| 8 | 6339726763590496 |
| 9 | 7490028944758474548 |
| 10 | 11205332666103104972870 |
| 11 | 20707904898272234027832128 |
| 12 | 46337521327783545461807594898 |
| 13 | 123493236514176445337375562127273 |
| 14 | 386578735289710248386597916624905008 |
| 15 | 1404667043036383301054968922912928274395 |
| 16 | 5864184572831214357534720189729386105896368 |
[1,7,495,79066,23024860,10572117273,7013015135896, 6339726763590496,7490028944758474548, 11205332666103104972870, 20707904898272234027832128, 46337521327783545461807594898, 123493236514176445337375562127273, 386578735289710248386597916624905008, 1404667043036383301054968922912928274395, 5864184572831214357534720189729386105896368] |