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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 4 |
| 3 | 7 |
| 4 | 8 |
| 5 | 8 |
| 6 | 10 |
| 7 | 13 |
| 8 | 14 |
| 9 | 14 |
| 10 | 16 |
| 11 | 19 |
| 12 | 20 |
| 13 | 20 |
| 14 | 23 |
| 15 | 24 |
| 16 | 25 |
| 17 | 26 |
| 18 | 26 |
| 19 | 28 |
| 20 | 31 |
| 21 | 32 |
| 22 | 33 |
| 23 | 34 |
| 24 | 34 |
| 25 | 37 |
| 26 | 38 |
| 27 | 38 |
| 28 | 40 |
| 29 | 43 |
| 30 | 44 |
| 31 | 44 |
| 32 | 47 |
| 33 | 48 |
| 34 | 49 |
| 35 | 50 |
| 36 | 50 |
| 37 | 53 |
| 38 | 54 |
| 39 | 55 |
| 40 | 56 |
| 41 | 56 |
| 42 | 58 |
| 43 | 61 |
| 44 | 62 |
| 45 | 63 |
| 46 | 64 |
| 47 | 64 |
| 48 | 67 |
| 49 | 68 |
| 50 | 68 |
| 51 | 70 |
| 52 | 73 |
| 53 | 74 |
| 54 | 75 |
| 55 | 76 |
| 56 | 76 |
| 57 | 79 |
| 58 | 80 |
| 59 | 80 |
| 60 | 83 |
| 61 | 84 |
| 62 | 85 |
| 63 | 86 |
| 64 | 86 |
| 65 | 89 |
[0,4,7,8,8,10,13,14,14,16,19,20,20,23,24,25,26,26, 28,31,32,33,34,34,37,38,38,40,43,44,44,47,48,49, 50,50,53,54,55,56,56,58,61,62,63,64,64,67,68,68, 70,73,74,75,76,76,79,80,80,83,84,85,86,86,89] |