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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 4 |
| 3 | 3 |
| 4 | 24 |
| 5 | 15 |
| 6 | 96 |
| 7 | 15 |
| 8 | 480 |
| 9 | 63 |
| 10 | 1920 |
| 11 | 255 |
| 12 | 7680 |
| 13 | 1023 |
| 14 | 30720 |
| 15 | 255 |
| 16 | 130560 |
| 17 | 1023 |
| 18 | 276480 |
| 19 | 233471 |
| 20 | 1056768 |
| 21 | 638975 |
| 22 | 4227072 |
| 23 | 2392063 |
| 24 | 28770304 |
| 25 | 9568255 |
| 26 | 68681728 |
| 27 | 63963135 |
| 28 | 406847488 |
| 29 | 2359295 |
| 30 | 1404567552 |
| 31 | 276889599 |
| 32 | 7599947776 |
| 33 | 1979973631 |
| 34 | 21809856512 |
[1,1,4,3,24,15,96,15,480,63,1920,255,7680,1023, 30720,255,130560,1023,276480,233471,1056768, 638975,4227072,2392063,28770304,9568255,68681728, 63963135,406847488,2359295,1404567552,276889599, 7599947776,1979973631,21809856512] |