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| n | a(n) |
|---|---|
| 0 | 1 |
| 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 | 28 |
| 22 | 31 |
| 23 | 35 |
| 24 | 40 |
| 25 | 45 |
| 26 | 51 |
| 27 | 59 |
| 28 | 66 |
| 29 | 76 |
| 30 | 87 |
| 31 | 100 |
| 32 | 114 |
| 33 | 133 |
| 34 | 151 |
| 35 | 175 |
| 36 | 201 |
| 37 | 232 |
| 38 | 265 |
| 39 | 307 |
| 40 | 349 |
| 41 | 402 |
| 42 | 458 |
| 43 | 524 |
| 44 | 594 |
| 45 | 680 |
| 46 | 767 |
| 47 | 872 |
| 48 | 983 |
| 49 | 1112 |
| 50 | 1248 |
| 51 | 1409 |
| 52 | 1575 |
| 53 | 1770 |
| 54 | 1976 |
| 55 | 2211 |
| 56 | 2460 |
| 57 | 2748 |
| 58 | 3048 |
| 59 | 3393 |
| 60 | 3759 |
| 61 | 4173 |
| 62 | 4612 |
| 63 | 5112 |
[1,0,0,0,0,0,1,1,2,3,4,5,7,8,10,12,14,16,19,21,24, 28,31,35,40,45,51,59,66,76,87,100,114,133,151,175, 201,232,265,307,349,402,458,524,594,680,767,872, 983,1112,1248,1409,1575,1770,1976,2211,2460,2748, 3048,3393,3759,4173,4612,5112] |