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| n | a(n) |
|---|---|
| 4 | 6 |
| 5 | 104 |
| 6 | 104 |
| 7 | 908 |
| 8 | 1818 |
| 9 | 908 |
| 10 | 5298 |
| 11 | 16560 |
| 12 | 16560 |
| 13 | 5298 |
| 14 | 23261 |
| 15 | 105510 |
| 16 | 158768 |
| 17 | 105510 |
| 18 | 23261 |
| 19 | 82603 |
| 20 | 522325 |
| 21 | 1086904 |
| 22 | 1086904 |
| 23 | 522325 |
| 24 | 82603 |
| 25 | 249245 |
| 26 | 2125965 |
| 27 | 5916957 |
| 28 | 7962500 |
| 29 | 5916957 |
| 30 | 2125965 |
| 31 | 249245 |
| 32 | 661751 |
| 33 | 7394811 |
| 34 | 26917679 |
[6,104,104,908,1818,908,5298,16560,16560,5298, 23261,105510,158768,105510,23261,82603,522325, 1086904,1086904,522325,82603,249245,2125965, 5916957,7962500,5916957,2125965,249245,661751, 7394811,26917679] |