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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 18 |
| 6 | 28 |
| 7 | 29 |
| 8 | 180 |
| 9 | 320 |
| 10 | 335 |
| 11 | 336 |
| 12 | 2700 |
| 13 | 5360 |
| 14 | 5665 |
| 15 | 5686 |
| 16 | 5687 |
| 17 | 56700 |
| 18 | 123760 |
| 19 | 131705 |
| 20 | 132265 |
| 21 | 132293 |
| 22 | 132294 |
| 23 | 1587600 |
| 24 | 3765440 |
| 25 | 4028430 |
| 26 | 4046980 |
| 27 | 4047932 |
| 28 | 4047968 |
| 29 | 4047969 |
| 30 | 57153600 |
| 31 | 145951680 |
| 32 | 156800490 |
| 33 | 157560312 |
| 34 | 157599498 |
| 35 | 157601022 |
| 36 | 157601067 |
| 37 | 157601068 |
| 38 | 2571912000 |
| 39 | 7019678400 |
| 40 | 7567091700 |
| 41 | 7605060162 |
| 42 | 7607014464 |
| 43 | 7607091054 |
[1,3,4,18,28,29,180,320,335,336,2700,5360,5665, 5686,5687,56700,123760,131705,132265,132293, 132294,1587600,3765440,4028430,4046980,4047932, 4047968,4047969,57153600,145951680,156800490, 157560312,157599498,157601022,157601067,157601068, 2571912000,7019678400,7567091700,7605060162, 7607014464,7607091054] |