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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 64 |
| 3 | 2744 |
| 4 | 474552 |
| 5 | 157529610000 |
| 6 | 407165596771032 |
| 7 | 1491025241529616 |
| 8 | 173903694695292024 |
| 9 | 661905356066769705912 |
| 10 | 14918256451377811247508792 |
| 11 | 19801061641727872277815512 |
| 12 | 2718924063971620383558231552 |
[16,64,2744,474552,157529610000,407165596771032, 1491025241529616,173903694695292024, 661905356066769705912,14918256451377811247508792, 19801061641727872277815512, 2718924063971620383558231552] |