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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 1 |
| 8 | 1 |
| 9 | 3 |
| 10 | 5 |
| 11 | 7 |
| 12 | 8 |
| 13 | 8 |
| 14 | 7 |
| 15 | 5 |
| 16 | 3 |
| 17 | 1 |
| 18 | 1 |
| 19 | 4 |
| 20 | 9 |
| 21 | 16 |
| 22 | 24 |
| 23 | 32 |
| 24 | 39 |
| 25 | 44 |
| 26 | 46 |
| 27 | 44 |
| 28 | 39 |
| 29 | 32 |
| 30 | 24 |
| 31 | 16 |
| 32 | 9 |
| 33 | 4 |
| 34 | 1 |
| 35 | 1 |
| 36 | 5 |
| 37 | 14 |
| 38 | 30 |
| 39 | 54 |
| 40 | 86 |
| 41 | 125 |
| 42 | 169 |
| 43 | 215 |
| 44 | 259 |
| 45 | 297 |
| 46 | 325 |
| 47 | 340 |
| 48 | 340 |
| 49 | 325 |
| 50 | 297 |
| 51 | 259 |
| 52 | 215 |
| 53 | 169 |
| 54 | 125 |
| 55 | 86 |
| 56 | 54 |
| 57 | 30 |
| 58 | 14 |
| 59 | 5 |
| 60 | 1 |
| 61 | 1 |
| 62 | 6 |
| 63 | 20 |
| 64 | 50 |
| 65 | 104 |
| 66 | 190 |
| 67 | 315 |
| 68 | 484 |
| 69 | 699 |
| 70 | 958 |
| 71 | 1255 |
| 72 | 1580 |
| 73 | 1919 |
[1,1,1,1,2,2,2,1,1,3,5,7,8,8,7,5,3,1,1,4,9,16,24, 32,39,44,46,44,39,32,24,16,9,4,1,1,5,14,30,54,86, 125,169,215,259,297,325,340,340,325,297,259,215, 169,125,86,54,30,14,5,1,1,6,20,50,104,190,315,484, 699,958,1255,1580,1919] |