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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 3 |
| 8 | 4 |
| 9 | 20 |
| 10 | 25 |
| 11 | 75 |
| 12 | 90 |
| 13 | 210 |
| 14 | 245 |
| 15 | 490 |
| 16 | 560 |
| 17 | 1008 |
| 18 | 1134 |
| 19 | 1890 |
| 20 | 2100 |
| 21 | 3300 |
| 22 | 3630 |
| 23 | 5445 |
| 24 | 5940 |
| 25 | 8580 |
| 26 | 9295 |
| 27 | 13013 |
| 28 | 14014 |
| 29 | 19110 |
| 30 | 20475 |
| 31 | 27300 |
| 32 | 29120 |
| 33 | 38080 |
| 34 | 40460 |
| 35 | 52020 |
| 36 | 55080 |
| 37 | 69768 |
| 38 | 73644 |
| 39 | 92055 |
| 40 | 96900 |
| 41 | 119700 |
| 42 | 125685 |
| 43 | 153615 |
| 44 | 160930 |
| 45 | 194810 |
| 46 | 203665 |
[0,0,0,0,0,0,0,3,4,20,25,75,90,210,245,490,560, 1008,1134,1890,2100,3300,3630,5445,5940,8580,9295, 13013,14014,19110,20475,27300,29120,38080,40460, 52020,55080,69768,73644,92055,96900,119700,125685, 153615,160930,194810,203665] |