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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 6 |
| 7 | 5 |
| 8 | 33 |
| 9 | 6 |
| 10 | 11 |
| 11 | 152 |
| 12 | 102 |
| 13 | 21 |
| 14 | 663 |
| 15 | 1068 |
| 16 | 102 |
| 17 | 43 |
| 18 | 2778 |
| 19 | 9060 |
| 20 | 2952 |
| 21 | 85 |
| 22 | 11413 |
| 23 | 68250 |
| 24 | 50796 |
| 25 | 2952 |
| 26 | 171 |
| 27 | 46332 |
| 28 | 477978 |
| 29 | 679368 |
| 30 | 131112 |
| 31 | 341 |
| 32 | 186867 |
| 33 | 3192192 |
| 34 | 7824834 |
| 35 | 3349224 |
| 36 | 131112 |
| 37 | 683 |
| 38 | 750878 |
| 39 | 20648088 |
| 40 | 81751824 |
| 41 | 64791576 |
| 42 | 8271792 |
[1,0,1,1,1,3,6,5,33,6,11,152,102,21,663,1068,102, 43,2778,9060,2952,85,11413,68250,50796,2952,171, 46332,477978,679368,131112,341,186867,3192192, 7824834,3349224,131112,683,750878,20648088, 81751824,64791576,8271792] |