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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 6 |
| 7 | 7 |
| 8 | 9 |
| 9 | 11 |
| 10 | 12 |
| 11 | 14 |
| 12 | 13 |
| 13 | 14 |
| 14 | 16 |
| 15 | 15 |
| 16 | 17 |
| 17 | 21 |
| 18 | 20 |
| 19 | 22 |
| 20 | 25 |
| 21 | 24 |
| 22 | 25 |
| 23 | 29 |
| 24 | 26 |
| 25 | 26 |
| 26 | 31 |
| 27 | 29 |
| 28 | 31 |
| 29 | 36 |
| 30 | 33 |
| 31 | 33 |
| 32 | 40 |
| 33 | 37 |
| 34 | 36 |
| 35 | 44 |
| 36 | 41 |
| 37 | 39 |
| 38 | 48 |
| 39 | 42 |
| 40 | 44 |
| 41 | 50 |
| 42 | 44 |
| 43 | 48 |
| 44 | 53 |
| 45 | 49 |
| 46 | 49 |
| 47 | 56 |
| 48 | 54 |
| 49 | 53 |
| 50 | 62 |
| 51 | 55 |
| 52 | 56 |
| 53 | 69 |
| 54 | 61 |
| 55 | 59 |
| 56 | 66 |
| 57 | 61 |
| 58 | 66 |
| 59 | 73 |
| 60 | 65 |
| 61 | 64 |
| 62 | 75 |
| 63 | 71 |
| 64 | 70 |
| 65 | 80 |
| 66 | 72 |
| 67 | 71 |
[0,2,3,4,6,6,7,9,11,12,14,13,14,16,15,17,21,20,22, 25,24,25,29,26,26,31,29,31,36,33,33,40,37,36,44, 41,39,48,42,44,50,44,48,53,49,49,56,54,53,62,55, 56,69,61,59,66,61,66,73,65,64,75,71,70,80,72,71] |