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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 4 |
| 4 | 20 |
| 5 | 28 |
| 6 | 2 |
| 7 | 36 |
| 8 | 108 |
| 9 | 82 |
| 10 | 0 |
| 11 | 62 |
| 12 | 268 |
| 13 | 414 |
| 14 | 200 |
| 15 | 6 |
| 16 | 90 |
| 17 | 544 |
| 18 | 1562 |
| 19 | 1936 |
| 20 | 524 |
| 21 | 12 |
| 22 | 128 |
| 23 | 972 |
| 24 | 4048 |
| 25 | 9884 |
| 26 | 9872 |
| 27 | 1724 |
| 28 | 6 |
| 29 | 168 |
| 30 | 1576 |
| 31 | 9010 |
| 32 | 33736 |
| 33 | 66208 |
| 34 | 47732 |
| 35 | 5908 |
| 36 | 0 |
| 37 | 218 |
| 38 | 2392 |
| 39 | 17296 |
| 40 | 90604 |
| 41 | 289536 |
| 42 | 447528 |
| 43 | 229714 |
| 44 | 18340 |
| 45 | 20 |
| 46 | 270 |
| 47 | 3456 |
| 48 | 30648 |
| 49 | 207184 |
[2,6,4,20,28,2,36,108,82,0,62,268,414,200,6,90, 544,1562,1936,524,12,128,972,4048,9884,9872,1724, 6,168,1576,9010,33736,66208,47732,5908,0,218,2392, 17296,90604,289536,447528,229714,18340,20,270, 3456,30648,207184] |