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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 3 |
| 5 | 3 |
| 6 | 0 |
| 7 | 20 |
| 8 | 20 |
| 9 | 16 |
| 10 | 0 |
| 11 | 115 |
| 12 | 115 |
| 13 | 110 |
| 14 | 90 |
| 15 | 0 |
| 16 | 714 |
| 17 | 714 |
| 18 | 708 |
| 19 | 684 |
| 20 | 576 |
| 21 | 0 |
| 22 | 5033 |
| 23 | 5033 |
| 24 | 5026 |
| 25 | 4998 |
| 26 | 4872 |
| 27 | 4200 |
| 28 | 0 |
| 29 | 40312 |
| 30 | 40312 |
| 31 | 40304 |
| 32 | 40272 |
| 33 | 40128 |
| 34 | 39360 |
| 35 | 34560 |
| 36 | 0 |
| 37 | 362871 |
| 38 | 362871 |
| 39 | 362862 |
| 40 | 362826 |
| 41 | 362664 |
| 42 | 361800 |
| 43 | 356400 |
| 44 | 317520 |
| 45 | 0 |
| 46 | 3628790 |
| 47 | 3628790 |
| 48 | 3628780 |
| 49 | 3628740 |
| 50 | 3628560 |
| 51 | 3627600 |
| 52 | 3621600 |
| 53 | 3578400 |
| 54 | 3225600 |
| 55 | 0 |
[0,0,0,3,3,0,20,20,16,0,115,115,110,90,0,714,714, 708,684,576,0,5033,5033,5026,4998,4872,4200,0, 40312,40312,40304,40272,40128,39360,34560,0, 362871,362871,362862,362826,362664,361800,356400, 317520,0,3628790,3628790,3628780,3628740,3628560, 3627600,3621600,3578400,3225600,0] |