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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 5 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 168 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 2145 |
| 15 | 2860 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 33592 |
| 21 | 117572 |
| 22 | 470288 |
| 23 | 0 |
| 24 | 0 |
| 25 | 297160 |
| 26 | 4791705 |
| 27 | 2674440 |
| 28 | 12900240 |
| 29 | 28134060 |
| 30 | 10835415 |
| 31 | 0 |
| 32 | 0 |
| 33 | 0 |
| 34 | 2074316640 |
| 35 | 0 |
| 36 | 0 |
| 37 | 2524661700 |
| 38 | 31810737420 |
| 39 | 39384722520 |
| 40 | 0 |
| 41 | 0 |
| 42 | 0 |
| 43 | 82334307276 |
| 44 | 1235014609140 |
[0,0,0,0,0,5,0,0,0,168,0,0,0,2145,2860,0,0,0,0, 33592,117572,470288,0,0,297160,4791705,2674440, 12900240,28134060,10835415,0,0,0,2074316640,0,0, 2524661700,31810737420,39384722520,0,0,0, 82334307276,1235014609140] |