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| n | a(n) |
|---|---|
| 30 | 1 |
| 31 | 19 |
| 32 | 113 |
| 33 | 564 |
| 34 | 2362 |
| 35 | 9062 |
| 36 | 32336 |
| 37 | 109826 |
| 38 | 358021 |
| 39 | 1131089 |
| 40 | 3480858 |
| 41 | 10484995 |
| 42 | 31012892 |
| 43 | 90329292 |
| 44 | 259621691 |
| 45 | 737665484 |
| 46 | 2074944123 |
| 47 | 5785110380 |
| 48 | 16003477783 |
| 49 | 43963346701 |
| 50 | 120021805899 |
| 51 | 325835717520 |
| 52 | 880125679307 |
| 53 | 2366498068034 |
| 54 | 6336725620724 |
| 55 | 16903670460151 |
[1,19,113,564,2362,9062,32336,109826,358021, 1131089,3480858,10484995,31012892,90329292, 259621691,737665484,2074944123,5785110380, 16003477783,43963346701,120021805899,325835717520, 880125679307,2366498068034,6336725620724, 16903670460151] |