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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 12 |
| 4 | 3 |
| 5 | 60 |
| 6 | 3 |
| 7 | 240 |
| 8 | 15 |
| 9 | 1008 |
| 10 | 15 |
| 11 | 4080 |
| 12 | 15 |
| 13 | 16368 |
| 14 | 15 |
| 15 | 65280 |
| 16 | 255 |
| 17 | 261892 |
| 18 | 225 |
| 19 | 1048348 |
| 20 | 129 |
| 21 | 4194276 |
| 22 | 153 |
| 23 | 16776740 |
| 24 | 511 |
| 25 | 67108836 |
| 26 | 1 |
| 27 | 268434492 |
| 28 | 871 |
| 29 | 1073737856 |
| 30 | 4069 |
| 31 | 4294902682 |
| 32 | 63591 |
| 33 | 17179803840 |
| 34 | 64261 |
| 35 | 68719412287 |
| 36 | 59207 |
| 37 | 274877847344 |
| 38 | 59389 |
[1,3,1,12,3,60,3,240,15,1008,15,4080,15,16368,15, 65280,255,261892,225,1048348,129,4194276,153, 16776740,511,67108836,1,268434492,871,1073737856, 4069,4294902682,63591,17179803840,64261, 68719412287,59207,274877847344,59389] |