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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 2 |
| 9 | 18 |
| 10 | 12 |
| 11 | 0 |
| 12 | 12 |
| 13 | 62 |
| 14 | 76 |
| 15 | 32 |
| 16 | 44 |
| 17 | 162 |
| 18 | 600 |
| 19 | 714 |
| 20 | 386 |
| 21 | 550 |
| 22 | 2514 |
| 23 | 5320 |
| 24 | 4140 |
| 25 | 3336 |
| 26 | 8626 |
| 27 | 24722 |
| 28 | 33428 |
| 29 | 27110 |
| 30 | 34812 |
| 31 | 96210 |
| 32 | 200322 |
| 33 | 220360 |
| 34 | 213368 |
| 35 | 376178 |
| 36 | 894780 |
| 37 | 1400578 |
| 38 | 1473944 |
| 39 | 1810538 |
| 40 | 3653304 |
| 41 | 7170370 |
| 42 | 9467970 |
[1,1,0,0,0,0,0,0,2,18,12,0,12,62,76,32,44,162,600, 714,386,550,2514,5320,4140,3336,8626,24722,33428, 27110,34812,96210,200322,220360,213368,376178, 894780,1400578,1473944,1810538,3653304,7170370, 9467970] |