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| n | a(n) |
|---|---|
| 0 | 324 |
| 1 | 612220032 |
| 2 | 1156831381426176 |
| 3 | 2185911559738696531968 |
| 4 | 4130428534112329328517709824 |
| 5 | 7804725584345565904628551916716032 |
| 6 | 14747559712960682275277163588165279154176 |
| 7 | 27866516911699690485530919446962290200798035968 |
[324,612220032,1156831381426176, 2185911559738696531968, 4130428534112329328517709824, 7804725584345565904628551916716032, 14747559712960682275277163588165279154176, 27866516911699690485530919446962290200798035968] |