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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 4 |
| 3 | 12 |
| 4 | 4 |
| 5 | 12 |
| 6 | 20 |
| 7 | 28 |
| 8 | 4 |
| 9 | 12 |
| 10 | 20 |
| 11 | 28 |
| 12 | 20 |
| 13 | 44 |
| 14 | 68 |
| 15 | 60 |
| 16 | 4 |
| 17 | 12 |
| 18 | 20 |
| 19 | 28 |
| 20 | 20 |
| 21 | 44 |
| 22 | 68 |
| 23 | 60 |
| 24 | 20 |
| 25 | 44 |
| 26 | 68 |
| 27 | 76 |
| 28 | 84 |
| 29 | 156 |
| 30 | 196 |
| 31 | 124 |
| 32 | 4 |
| 33 | 12 |
| 34 | 20 |
| 35 | 28 |
| 36 | 20 |
| 37 | 44 |
| 38 | 68 |
| 39 | 60 |
| 40 | 20 |
| 41 | 44 |
| 42 | 68 |
| 43 | 76 |
| 44 | 84 |
| 45 | 156 |
| 46 | 196 |
| 47 | 124 |
| 48 | 20 |
| 49 | 44 |
| 50 | 68 |
| 51 | 76 |
| 52 | 84 |
| 53 | 156 |
| 54 | 196 |
| 55 | 140 |
| 56 | 84 |
| 57 | 156 |
| 58 | 212 |
| 59 | 236 |
| 60 | 324 |
| 61 | 508 |
| 62 | 516 |
| 63 | 252 |
| 64 | 4 |
| 65 | 12 |
| 66 | 20 |
| 67 | 28 |
| 68 | 20 |
[1,4,4,12,4,12,20,28,4,12,20,28,20,44,68,60,4,12, 20,28,20,44,68,60,20,44,68,76,84,156,196,124,4,12, 20,28,20,44,68,60,20,44,68,76,84,156,196,124,20, 44,68,76,84,156,196,140,84,156,212,236,324,508, 516,252,4,12,20,28,20] |