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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 20 |
| 4 | 30 |
| 5 | 0 |
| 6 | 0 |
| 7 | 60 |
| 8 | 90 |
| 9 | 0 |
| 10 | 0 |
| 11 | 180 |
| 12 | 140 |
| 13 | 0 |
| 14 | 0 |
| 15 | 132 |
| 16 | 270 |
| 17 | 0 |
| 18 | 0 |
| 19 | 420 |
| 20 | 360 |
| 21 | 0 |
| 22 | 0 |
| 23 | 360 |
| 24 | 330 |
| 25 | 0 |
| 26 | 0 |
| 27 | 560 |
| 28 | 660 |
| 29 | 0 |
| 30 | 0 |
| 31 | 540 |
| 32 | 810 |
| 33 | 0 |
| 34 | 0 |
| 35 | 1080 |
| 36 | 570 |
| 37 | 0 |
| 38 | 0 |
| 39 | 480 |
| 40 | 1020 |
| 41 | 0 |
| 42 | 0 |
| 43 | 1500 |
| 44 | 1260 |
| 45 | 0 |
| 46 | 0 |
| 47 | 1080 |
| 48 | 1100 |
| 49 | 0 |
| 50 | 0 |
| 51 | 1320 |
| 52 | 1560 |
| 53 | 0 |
| 54 | 0 |
| 55 | 1320 |
| 56 | 1620 |
| 57 | 0 |
| 58 | 0 |
| 59 | 2340 |
| 60 | 1452 |
| 61 | 0 |
| 62 | 0 |
| 63 | 1140 |
| 64 | 2190 |
| 65 | 0 |
| 66 | 0 |
| 67 | 2940 |
[1,0,0,20,30,0,0,60,90,0,0,180,140,0,0,132,270,0, 0,420,360,0,0,360,330,0,0,560,660,0,0,540,810,0,0, 1080,570,0,0,480,1020,0,0,1500,1260,0,0,1080,1100, 0,0,1320,1560,0,0,1320,1620,0,0,2340,1452,0,0, 1140,2190,0,0,2940] |