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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 0 |
| 5 | 2 |
| 6 | 8 |
| 7 | 0 |
| 8 | 2 |
| 9 | 10 |
| 10 | 10 |
| 11 | 0 |
| 12 | 2 |
| 13 | 10 |
| 14 | 12 |
| 15 | 12 |
| 16 | 0 |
| 17 | 2 |
| 18 | 10 |
| 19 | 14 |
| 20 | 14 |
| 21 | 14 |
| 22 | 0 |
| 23 | 2 |
| 24 | 10 |
| 25 | 14 |
| 26 | 16 |
| 27 | 16 |
| 28 | 16 |
| 29 | 0 |
| 30 | 2 |
| 31 | 10 |
| 32 | 14 |
| 33 | 22 |
| 34 | 22 |
| 35 | 22 |
| 36 | 20 |
| 37 | 0 |
| 38 | 2 |
| 39 | 10 |
| 40 | 14 |
| 41 | 22 |
| 42 | 24 |
| 43 | 24 |
| 44 | 24 |
| 45 | 22 |
| 46 | 0 |
| 47 | 2 |
| 48 | 10 |
| 49 | 14 |
| 50 | 22 |
| 51 | 24 |
| 52 | 28 |
| 53 | 28 |
| 54 | 26 |
| 55 | 24 |
[0,0,2,0,2,8,0,2,10,10,0,2,10,12,12,0,2,10,14,14, 14,0,2,10,14,16,16,16,0,2,10,14,22,22,22,20,0,2, 10,14,22,24,24,24,22,0,2,10,14,22,24,28,28,26,24] |