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| n | a(n) |
|---|---|
| 1 | 126 |
| 2 | 441 |
| 3 | 441 |
| 4 | 1785 |
| 5 | 2401 |
| 6 | 1785 |
| 7 | 7225 |
| 8 | 14161 |
| 9 | 14161 |
| 10 | 7225 |
| 11 | 27880 |
| 12 | 83521 |
| 13 | 127449 |
| 14 | 83521 |
| 15 | 27880 |
| 16 | 107584 |
| 17 | 485809 |
| 18 | 1147041 |
| 19 | 1147041 |
| 20 | 485809 |
| 21 | 107584 |
| 22 | 422136 |
| 23 | 2825761 |
| 24 | 9967797 |
| 25 | 15752961 |
| 26 | 9967797 |
| 27 | 2825761 |
| 28 | 422136 |
| 29 | 1656369 |
| 30 | 16475481 |
| 31 | 86620249 |
[126,441,441,1785,2401,1785,7225,14161,14161,7225, 27880,83521,127449,83521,27880,107584,485809, 1147041,1147041,485809,107584,422136,2825761, 9967797,15752961,9967797,2825761,422136,1656369, 16475481,86620249] |