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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 5 |
| 4 | 25 |
| 5 | 65 |
| 6 | 25 |
| 7 | 125 |
| 8 | 845 |
| 9 | 845 |
| 10 | 125 |
| 11 | 625 |
| 12 | 10985 |
| 13 | 28885 |
| 14 | 10985 |
| 15 | 625 |
| 16 | 3125 |
| 17 | 142805 |
| 18 | 988625 |
| 19 | 988625 |
| 20 | 142805 |
| 21 | 3125 |
| 22 | 15625 |
| 23 | 1856465 |
| 24 | 33841585 |
| 25 | 89405945 |
| 26 | 33841585 |
| 27 | 1856465 |
| 28 | 15625 |
| 29 | 78125 |
| 30 | 24134045 |
| 31 | 1158447605 |
| 32 | 8093320565 |
| 33 | 8093320565 |
[1,5,5,25,65,25,125,845,845,125,625,10985,28885, 10985,625,3125,142805,988625,988625,142805,3125, 15625,1856465,33841585,89405945,33841585,1856465, 15625,78125,24134045,1158447605,8093320565, 8093320565] |