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| n | a(n) |
|---|---|
| 1 | 5280 |
| 2 | 32256 |
| 3 | 222672 |
| 4 | 1843956 |
| 5 | 16100096 |
| 6 | 147975544 |
| 7 | 1383273540 |
| 8 | 13136508448 |
| 9 | 125711250208 |
| 10 | 1212052600920 |
| 11 | 11747496084952 |
| 12 | 114450976252720 |
| 13 | 1119844141118852 |
| 14 | 11002825088380684 |
| 15 | 108500718690978524 |
[5280,32256,222672,1843956,16100096,147975544, 1383273540,13136508448,125711250208,1212052600920, 11747496084952,114450976252720,1119844141118852, 11002825088380684,108500718690978524] |