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| n | a(n) |
|---|---|
| 1 | 54 |
| 2 | 2916 |
| 3 | 59939 |
| 4 | 1001368 |
| 5 | 16242526 |
| 6 | 251417066 |
| 7 | 3821933610 |
| 8 | 57064872614 |
| 9 | 844165036271 |
| 10 | 12390372090882 |
| 11 | 180992829653245 |
| 12 | 2634280800684388 |
| 13 | 38249009993388722 |
| 14 | 554396670218442029 |
| 15 | 8026024201853260708 |
[54,2916,59939,1001368,16242526,251417066, 3821933610,57064872614,844165036271, 12390372090882,180992829653245,2634280800684388, 38249009993388722,554396670218442029, 8026024201853260708] |