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