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A054326 as a simple table
| n | a(n) |
|---|---|
| 0 | 8 |
| 1 | 480 |
| 2 | 12672 |
| 3 | 219648 |
| 4 | 2928640 |
| 5 | 32587776 |
| 6 | 317521920 |
| 7 | 2794192896 |
| 8 | 22682271744 |
| 9 | 172438323200 |
| 10 | 1241555927040 |
| 11 | 8538764083200 |
| 12 | 56469693136896 |
| 13 | 361019918516224 |
| 14 | 2240813287342080 |
| 15 | 13550896696786944 |
| 16 | 80073480481013760 |
[8,480,12672,219648,2928640,32587776,317521920, 2794192896,22682271744,172438323200,1241555927040, 8538764083200,56469693136896,361019918516224, 2240813287342080,13550896696786944, 80073480481013760] |