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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 24 |
| 10 | 0 |
| 11 | 40 |
| 12 | 60 |
| 13 | 132 |
| 14 | 90 |
| 15 | 309 |
| 16 | 266 |
| 17 | 584 |
| 18 | 570 |
| 19 | 1013 |
| 20 | 1018 |
| 21 | 1939 |
| 22 | 1678 |
| 23 | 2866 |
| 24 | 3062 |
| 25 | 4603 |
| 26 | 4382 |
| 27 | 6991 |
| 28 | 6818 |
| 29 | 10038 |
| 30 | 10068 |
| 31 | 13988 |
| 32 | 14140 |
| 33 | 20137 |
| 34 | 19308 |
| 35 | 26397 |
| 36 | 27260 |
| 37 | 35652 |
| 38 | 35196 |
| 39 | 47075 |
| 40 | 46836 |
| 41 | 60591 |
| 42 | 61004 |
| 43 | 76824 |
| 44 | 77616 |
| 45 | 98981 |
| 46 | 97350 |
[0,0,0,0,0,0,0,0,24,0,40,60,132,90,309,266,584, 570,1013,1018,1939,1678,2866,3062,4603,4382,6991, 6818,10038,10068,13988,14140,20137,19308,26397, 27260,35652,35196,47075,46836,60591,61004,76824, 77616,98981,97350] |