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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 16 |
| 3 | 16 |
| 4 | 60 |
| 5 | 216 |
| 6 | 64 |
| 7 | 216 |
| 8 | 2124 |
| 9 | 2592 |
| 10 | 256 |
| 11 | 756 |
| 12 | 19188 |
| 13 | 62748 |
| 14 | 29160 |
| 15 | 1024 |
| 16 | 2592 |
| 17 | 164556 |
| 18 | 1363572 |
| 19 | 1698732 |
| 20 | 314928 |
| 21 | 4096 |
| 22 | 8748 |
| 23 | 1363572 |
| 24 | 27788292 |
| 25 | 87559668 |
| 26 | 43674876 |
| 27 | 3306744 |
| 28 | 16384 |
| 29 | 29160 |
| 30 | 11026764 |
| 31 | 544118148 |
| 32 | 4204943820 |
| 33 | 5306911092 |
[4,16,16,60,216,64,216,2124,2592,256,756,19188, 62748,29160,1024,2592,164556,1363572,1698732, 314928,4096,8748,1363572,27788292,87559668, 43674876,3306744,16384,29160,11026764,544118148, 4204943820,5306911092] |