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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 11 |
| 6 | 21 |
| 7 | 57 |
| 8 | 211 |
| 9 | 141 |
| 10 | 156 |
| 11 | 78 |
| 12 | 39 |
| 13 | 140 |
| 14 | 70 |
| 15 | 35 |
| 16 | 214 |
| 17 | 107 |
| 18 | 90 |
| 19 | 45 |
| 20 | 309 |
| 21 | 330 |
| 22 | 165 |
| 23 | 120 |
| 24 | 60 |
| 25 | 30 |
| 26 | 15 |
| 27 | 435 |
| 28 | 651 |
| 29 | 420 |
| 30 | 210 |
| 31 | 105 |
| 32 | 429 |
| 33 | 1143 |
| 34 | 576 |
| 35 | 288 |
| 36 | 144 |
| 37 | 72 |
| 38 | 36 |
| 39 | 18 |
| 40 | 9 |
| 41 | 116 |
| 42 | 58 |
| 43 | 29 |
| 44 | 2286 |
| 45 | 1143 |
| 46 | 1638 |
| 47 | 819 |
| 48 | 1071 |
| 49 | 983 |
| 50 | 1983 |
[2,1,2,1,11,21,57,211,141,156,78,39,140,70,35,214, 107,90,45,309,330,165,120,60,30,15,435,651,420, 210,105,429,1143,576,288,144,72,36,18,9,116,58,29, 2286,1143,1638,819,1071,983,1983] |