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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 43 |
| 3 | 43 |
| 4 | 658 |
| 5 | 1765 |
| 6 | 658 |
| 7 | 11029 |
| 8 | 50729 |
| 9 | 50729 |
| 10 | 11029 |
| 11 | 189376 |
| 12 | 1660672 |
| 13 | 3603458 |
| 14 | 1660672 |
| 15 | 189376 |
| 16 | 3272959 |
| 17 | 56315642 |
| 18 | 276030525 |
| 19 | 276030525 |
| 20 | 56315642 |
| 21 | 3272959 |
| 22 | 56665678 |
| 23 | 1930887802 |
| 24 | 21989253467 |
| 25 | 51432469614 |
| 26 | 21989253467 |
| 27 | 1930887802 |
[4,43,43,658,1765,658,11029,50729,50729,11029, 189376,1660672,3603458,1660672,189376,3272959, 56315642,276030525,276030525,56315642,3272959, 56665678,1930887802,21989253467,51432469614, 21989253467,1930887802] |