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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 8 |
| 2 | 24 |
| 3 | 64 |
| 4 | 7776 |
| 5 | 20736 |
| 6 | 13824 |
| 7 | 36864 |
| 8 | 45349632 |
| 9 | 120932352 |
| 10 | 80621568 |
| 11 | 214990848 |
| 12 | 322486272 |
| 13 | 859963392 |
| 14 | 573308928 |
| 15 | 1528823808 |
| 16 | 1028294561267712 |
| 17 | 2742118830047232 |
| 18 | 1828079220031488 |
| 19 | 4874877920083968 |
| 20 | 7312316880125952 |
[3,8,24,64,7776,20736,13824,36864,45349632, 120932352,80621568,214990848,322486272,859963392, 573308928,1528823808,1028294561267712, 2742118830047232,1828079220031488, 4874877920083968,7312316880125952] |