| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 8 |
| 4 | 270 |
| 5 | 42 |
| 6 | 12 |
| 7 | 180 |
| 8 | 102 |
| 9 | 546 |
| 10 | 750 |
| 11 | 822 |
| 12 | 510 |
| 13 | 660 |
| 14 | 300 |
| 15 | 534 |
| 16 | 5208 |
| 17 | 7140 |
| 18 | 3302 |
| 19 | 7800 |
| 20 | 1476 |
| 21 | 18840 |
| 22 | 20706 |
| 23 | 9570 |
| 24 | 44960 |
| 25 | 13986 |
| 26 | 5862 |
| 27 | 4672 |
| 28 | 71118 |
| 29 | 14538 |
| 30 | 59370 |
| 31 | 156348 |
| 32 | 17688 |
| 33 | 59184 |
| 34 | 155736 |
| 35 | 1782 |
| 36 | 328694 |
| 37 | 110370 |
| 38 | 119616 |
| 39 | 93402 |
| 40 | 76116 |
[2,6,8,270,42,12,180,102,546,750,822,510,660,300, 534,5208,7140,3302,7800,1476,18840,20706,9570, 44960,13986,5862,4672,71118,14538,59370,156348, 17688,59184,155736,1782,328694,110370,119616, 93402,76116] |