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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 72 |
| 3 | 72 |
| 4 | 516 |
| 5 | 1064 |
| 6 | 516 |
| 7 | 3048 |
| 8 | 16316 |
| 9 | 16316 |
| 10 | 3048 |
| 11 | 18944 |
| 12 | 265670 |
| 13 | 767942 |
| 14 | 265670 |
| 15 | 18944 |
| 16 | 115892 |
| 17 | 4252876 |
| 18 | 33815878 |
| 19 | 33815878 |
| 20 | 4252876 |
| 21 | 115892 |
| 22 | 713488 |
| 23 | 67979266 |
| 24 | 1481426938 |
| 25 | 4107586864 |
| 26 | 1481426938 |
| 27 | 67979266 |
| 28 | 713488 |
| 29 | 4389504 |
| 30 | 1090643352 |
[16,72,72,516,1064,516,3048,16316,16316,3048, 18944,265670,767942,265670,18944,115892,4252876, 33815878,33815878,4252876,115892,713488,67979266, 1481426938,4107586864,1481426938,67979266,713488, 4389504,1090643352] |