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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 12 |
| 4 | 7 |
| 5 | 4 |
| 6 | 20 |
| 7 | 9 |
| 8 | 5 |
| 9 | 60 |
| 10 | 49 |
| 11 | 30 |
| 12 | 11 |
| 13 | 6 |
| 14 | 105 |
| 15 | 71 |
| 16 | 42 |
| 17 | 13 |
| 18 | 7 |
| 19 | 280 |
| 20 | 351 |
| 21 | 168 |
| 22 | 97 |
| 23 | 56 |
| 24 | 15 |
| 25 | 8 |
| 26 | 504 |
| 27 | 545 |
| 28 | 252 |
| 29 | 127 |
| 30 | 72 |
| 31 | 17 |
| 32 | 9 |
| 33 | 1260 |
| 34 | 2561 |
| 35 | 840 |
| 36 | 799 |
| 37 | 360 |
| 38 | 161 |
| 39 | 90 |
| 40 | 19 |
| 41 | 10 |
| 42 | 2310 |
| 43 | 4159 |
| 44 | 1320 |
| 45 | 1121 |
| 46 | 495 |
| 47 | 199 |
| 48 | 110 |
| 49 | 21 |
| 50 | 11 |
[2,3,12,7,4,20,9,5,60,49,30,11,6,105,71,42,13,7, 280,351,168,97,56,15,8,504,545,252,127,72,17,9, 1260,2561,840,799,360,161,90,19,10,2310,4159,1320, 1121,495,199,110,21,11] |