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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 9 |
| 6 | 10 |
| 7 | 1 |
| 8 | 24 |
| 9 | 107 |
| 10 | 90 |
| 11 | 1 |
| 12 | 50 |
| 13 | 575 |
| 14 | 1750 |
| 15 | 1248 |
| 16 | 1 |
| 17 | 90 |
| 18 | 2135 |
| 19 | 16050 |
| 20 | 38244 |
| 21 | 24360 |
| 22 | 1 |
| 23 | 147 |
| 24 | 6265 |
| 25 | 95445 |
| 26 | 537334 |
| 27 | 1078728 |
| 28 | 631440 |
| 29 | 1 |
| 30 | 224 |
| 31 | 15610 |
| 32 | 424340 |
| 33 | 4734289 |
| 34 | 21569996 |
| 35 | 38105220 |
| 36 | 20865600 |
| 37 | 1 |
| 38 | 324 |
| 39 | 34482 |
| 40 | 1529640 |
| 41 | 30128049 |
[1,1,2,1,9,10,1,24,107,90,1,50,575,1750,1248,1,90, 2135,16050,38244,24360,1,147,6265,95445,537334, 1078728,631440,1,224,15610,424340,4734289, 21569996,38105220,20865600,1,324,34482,1529640, 30128049] |