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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 4 |
| 10 | 5 |
| 11 | 5 |
| 12 | 7 |
| 13 | 8 |
| 14 | 10 |
| 15 | 12 |
| 16 | 14 |
| 17 | 17 |
| 18 | 21 |
| 19 | 25 |
| 20 | 30 |
| 21 | 36 |
| 22 | 43 |
| 23 | 51 |
| 24 | 60 |
| 25 | 71 |
| 26 | 83 |
| 27 | 97 |
| 28 | 113 |
| 29 | 132 |
| 30 | 153 |
| 31 | 178 |
| 32 | 205 |
| 33 | 238 |
| 34 | 272 |
| 35 | 315 |
| 36 | 360 |
| 37 | 413 |
| 38 | 471 |
| 39 | 539 |
| 40 | 613 |
| 41 | 698 |
| 42 | 792 |
| 43 | 899 |
| 44 | 1018 |
| 45 | 1153 |
| 46 | 1302 |
| 47 | 1470 |
| 48 | 1658 |
| 49 | 1867 |
| 50 | 2100 |
| 51 | 2362 |
| 52 | 2652 |
| 53 | 2974 |
| 54 | 3335 |
| 55 | 3734 |
| 56 | 4178 |
| 57 | 4672 |
[1,1,0,1,0,1,2,2,3,4,5,5,7,8,10,12,14,17,21,25,30, 36,43,51,60,71,83,97,113,132,153,178,205,238,272, 315,360,413,471,539,613,698,792,899,1018,1153, 1302,1470,1658,1867,2100,2362,2652,2974,3335,3734, 4178,4672] |