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| n | a(n) |
|---|---|
| 1 | 144 |
| 2 | 13456 |
| 3 | 611524 |
| 4 | 25080064 |
| 5 | 1176627204 |
| 6 | 56843142724 |
| 7 | 2709454265764 |
| 8 | 128279816340624 |
| 9 | 6079146560329924 |
| 10 | 288422073077743396 |
| 11 | 13684604007820147600 |
| 12 | 649179381582973359556 |
| 13 | 30795222312008784568324 |
[144,13456,611524,25080064,1176627204,56843142724, 2709454265764,128279816340624,6079146560329924, 288422073077743396,13684604007820147600, 649179381582973359556,30795222312008784568324] |