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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 19 |
| 6 | 3 |
| 7 | 9 |
| 8 | 115 |
| 9 | 115 |
| 10 | 9 |
| 11 | 15 |
| 12 | 739 |
| 13 | 1889 |
| 14 | 739 |
| 15 | 15 |
| 16 | 33 |
| 17 | 4679 |
| 18 | 33119 |
| 19 | 33119 |
| 20 | 4679 |
| 21 | 33 |
| 22 | 63 |
| 23 | 29569 |
| 24 | 575757 |
| 25 | 1622763 |
| 26 | 575757 |
| 27 | 29569 |
| 28 | 63 |
| 29 | 129 |
| 30 | 187211 |
| 31 | 10015447 |
| 32 | 78416265 |
| 33 | 78416265 |
| 34 | 10015447 |
| 35 | 187211 |
| 36 | 129 |
| 37 | 255 |
| 38 | 1185283 |
| 39 | 174306687 |
| 40 | 3788842363 |
[0,3,3,3,19,3,9,115,115,9,15,739,1889,739,15,33, 4679,33119,33119,4679,33,63,29569,575757,1622763, 575757,29569,63,129,187211,10015447,78416265, 78416265,10015447,187211,129,255,1185283, 174306687,3788842363] |