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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 4 |
| 14 | 6 |
| 15 | 8 |
| 16 | 10 |
| 17 | 12 |
| 18 | 14 |
| 19 | 16 |
| 20 | 18 |
| 21 | 20 |
| 22 | 23 |
| 23 | 26 |
| 24 | 30 |
| 25 | 36 |
| 26 | 42 |
| 27 | 50 |
| 28 | 60 |
| 29 | 70 |
| 30 | 82 |
| 31 | 96 |
| 32 | 110 |
| 33 | 126 |
| 34 | 144 |
| 35 | 163 |
| 36 | 184 |
| 37 | 208 |
| 38 | 234 |
| 39 | 264 |
| 40 | 298 |
| 41 | 336 |
| 42 | 380 |
| 43 | 430 |
| 44 | 486 |
| 45 | 550 |
| 46 | 622 |
| 47 | 702 |
| 48 | 792 |
| 49 | 892 |
| 50 | 1002 |
| 51 | 1125 |
| 52 | 1260 |
| 53 | 1408 |
| 54 | 1572 |
| 55 | 1752 |
| 56 | 1950 |
| 57 | 2168 |
| 58 | 2408 |
| 59 | 2672 |
[0,1,0,0,0,1,2,2,2,2,2,2,3,4,6,8,10,12,14,16,18, 20,23,26,30,36,42,50,60,70,82,96,110,126,144,163, 184,208,234,264,298,336,380,430,486,550,622,702, 792,892,1002,1125,1260,1408,1572,1752,1950,2168, 2408,2672] |