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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 4 |
| 3 | 4 |
| 4 | 4 |
| 5 | 8 |
| 6 | 8 |
| 7 | 8 |
| 8 | 8 |
| 9 | 9 |
| 10 | 12 |
| 11 | 12 |
| 12 | 12 |
| 13 | 16 |
| 14 | 16 |
| 15 | 16 |
| 16 | 16 |
| 17 | 18 |
| 18 | 18 |
| 19 | 20 |
| 20 | 20 |
| 21 | 24 |
| 22 | 24 |
| 23 | 24 |
| 24 | 24 |
| 25 | 25 |
| 26 | 27 |
| 27 | 27 |
| 28 | 28 |
| 29 | 32 |
| 30 | 32 |
| 31 | 32 |
| 32 | 32 |
| 33 | 36 |
| 34 | 36 |
| 35 | 36 |
| 36 | 36 |
| 37 | 40 |
| 38 | 40 |
| 39 | 40 |
| 40 | 40 |
| 41 | 44 |
| 42 | 44 |
| 43 | 44 |
| 44 | 44 |
| 45 | 45 |
| 46 | 48 |
| 47 | 48 |
| 48 | 48 |
| 49 | 49 |
| 50 | 50 |
| 51 | 52 |
| 52 | 52 |
| 53 | 54 |
| 54 | 54 |
| 55 | 56 |
| 56 | 56 |
| 57 | 60 |
| 58 | 60 |
| 59 | 60 |
| 60 | 60 |
| 61 | 63 |
| 62 | 63 |
| 63 | 63 |
| 64 | 64 |
| 65 | 68 |
| 66 | 68 |
| 67 | 68 |
| 68 | 68 |
| 69 | 72 |
| 70 | 72 |
| 71 | 72 |
| 72 | 72 |
[4,4,4,4,8,8,8,8,9,12,12,12,16,16,16,16,18,18,20, 20,24,24,24,24,25,27,27,28,32,32,32,32,36,36,36, 36,40,40,40,40,44,44,44,44,45,48,48,48,49,50,52, 52,54,54,56,56,60,60,60,60,63,63,63,64,68,68,68, 68,72,72,72,72] |