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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 0 |
| 5 | 5 |
| 6 | 0 |
| 7 | 7 |
| 8 | 7 |
| 9 | 8 |
| 10 | 45 |
| 11 | 1 |
| 12 | 66 |
| 13 | 13 |
| 14 | 91 |
| 15 | 105 |
| 16 | 135 |
| 17 | 561 |
| 18 | 306 |
| 19 | 172 |
| 20 | 380 |
| 21 | 1540 |
| 22 | 462 |
| 23 | 3543 |
| 24 | 575 |
| 25 | 4624 |
| 26 | 3250 |
| 27 | 6175 |
| 28 | 21231 |
| 29 | 10963 |
| 30 | 24650 |
| 31 | 13951 |
| 32 | 10447 |
| 33 | 21856 |
| 34 | 93907 |
| 35 | 26741 |
| 36 | 119735 |
| 37 | 38851 |
| 38 | 165871 |
| 39 | 120251 |
| 40 | 366418 |
| 41 | 721969 |
| 42 | 450344 |
| 43 | 186019 |
| 44 | 571427 |
| 45 | 1442694 |
| 46 | 982215 |
| 47 | 3005089 |
[0,1,1,0,5,0,7,7,8,45,1,66,13,91,105,135,561,306, 172,380,1540,462,3543,575,4624,3250,6175,21231, 10963,24650,13951,10447,21856,93907,26741,119735, 38851,165871,120251,366418,721969,450344,186019, 571427,1442694,982215,3005089] |