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| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 8 |
| 6 | 1024 |
| 7 | 5 |
| 8 | 1071 |
| 9 | 6443 |
| 10 | 52743 |
| 11 | 1184 |
| 12 | 11131 |
| 13 | 39 |
| 14 | 7 |
| 15 | 856079 |
| 16 | 3363658 |
| 17 | 9264 |
| 18 | 3150 |
| 19 | 1313151 |
| 20 | 13 |
| 21 | 33629 |
| 22 | 555296667 |
| 23 | 534689 |
| 24 | 8388607 |
| 25 | 5 |
| 26 | 512212693 |
| 27 | 193652 |
| 28 | 286330 |
| 29 | 282030 |
| 30 | 7224372579 |
| 31 | 1120049 |
| 32 | 149041 |
[0,0,1,8,1024,5,1071,6443,52743,1184,11131,39,7, 856079,3363658,9264,3150,1313151,13,33629, 555296667,534689,8388607,5,512212693,193652, 286330,282030,7224372579,1120049,149041] |