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| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 250050005000 |
| 3 | 11768 |
| 4 | 32213 |
| 5 | 2616 |
| 6 | 5 |
| 7 | 87 |
| 8 | 25 |
| 9 | 6 |
| 10 | 32626422075 |
| 11 | 866437799 |
| 12 | 327239416 |
| 13 | 8 |
| 14 | 3650 |
| 15 | 73698 |
| 16 | 16 |
| 17 | 87 |
| 18 | 827210 |
| 19 | 80522 |
| 20 | 44 |
| 21 | 30642 |
| 22 | 279 |
| 23 | 803014 |
| 24 | 619 |
| 25 | 49 |
| 26 | 47 |
| 27 | 1238 |
| 28 | 234 |
| 29 | 24 |
| 30 | 29 |
| 31 | 77 |
| 32 | 736 |
| 33 | 75 |
| 34 | 109 |
| 35 | 998 |
| 36 | 175 |
| 37 | 2259 |
| 38 | 80 |
| 39 | 3754 |
| 40 | 13 |
| 41 | 978 |
| 42 | 73 |
| 43 | 58157 |
| 44 | 501 |
| 45 | 38 |
| 46 | 343 |
| 47 | 73 |
| 48 | 42 |
[-1,250050005000,11768,32213,2616,5,87,25,6, 32626422075,866437799,327239416,8,3650,73698,16, 87,827210,80522,44,30642,279,803014,619,49,47, 1238,234,24,29,77,736,75,109,998,175,2259,80,3754, 13,978,73,58157,501,38,343,73,42] |