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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 5 |
| 8 | 5 |
| 9 | 5 |
| 10 | 5 |
| 11 | 8 |
| 12 | 8 |
| 13 | 10 |
| 14 | 10 |
| 15 | 10 |
| 16 | 10 |
| 17 | 13 |
| 18 | 13 |
| 19 | 16 |
| 20 | 16 |
| 21 | 16 |
| 22 | 16 |
| 23 | 19 |
| 24 | 19 |
| 25 | 19 |
| 26 | 19 |
| 27 | 19 |
| 28 | 19 |
| 29 | 23 |
| 30 | 23 |
| 31 | 26 |
| 32 | 26 |
| 33 | 26 |
| 34 | 26 |
| 35 | 26 |
| 36 | 26 |
| 37 | 30 |
| 38 | 30 |
| 39 | 30 |
| 40 | 30 |
| 41 | 33 |
| 42 | 33 |
| 43 | 37 |
| 44 | 37 |
| 45 | 37 |
| 46 | 37 |
| 47 | 41 |
| 48 | 41 |
| 49 | 41 |
| 50 | 41 |
| 51 | 41 |
| 52 | 41 |
| 53 | 45 |
| 54 | 45 |
| 55 | 45 |
| 56 | 45 |
| 57 | 45 |
| 58 | 45 |
| 59 | 49 |
| 60 | 49 |
| 61 | 53 |
| 62 | 53 |
| 63 | 53 |
| 64 | 53 |
| 65 | 53 |
| 66 | 53 |
| 67 | 57 |
| 68 | 57 |
| 69 | 57 |
| 70 | 57 |
| 71 | 62 |
| 72 | 62 |
| 73 | 66 |
| 74 | 66 |
| 75 | 66 |
| 76 | 66 |
[0,0,1,2,2,3,3,5,5,5,5,8,8,10,10,10,10,13,13,16, 16,16,16,19,19,19,19,19,19,23,23,26,26,26,26,26, 26,30,30,30,30,33,33,37,37,37,37,41,41,41,41,41, 41,45,45,45,45,45,45,49,49,53,53,53,53,53,53,57, 57,57,57,62,62,66,66,66,66] |