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A318399 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 84 |
| 4 | 2226 |
| 5 | 93246 |
| 6 | 5616492 |
| 7 | 459173406 |
| 8 | 48933260388 |
| 9 | 6595445513412 |
| 10 | 1098326915060730 |
| 11 | 221772386369110242 |
| 12 | 53460963703982862534 |
| 13 | 15185890964240671486740 |
| 14 | 5026315912246843181692776 |
| 15 | 1919721040169845172603949966 |
| 16 | 838872819016448052585038291124 |
[1,6,84,2226,93246,5616492,459173406,48933260388, 6595445513412,1098326915060730,221772386369110242, 53460963703982862534,15185890964240671486740, 5026315912246843181692776, 1919721040169845172603949966, 838872819016448052585038291124] |