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| n | a(n) |
|---|---|
| 0 | -1 |
| 1 | -1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 13 |
| 6 | 19 |
| 7 | 13 |
| 8 | 17 |
| 9 | 43 |
| 10 | 53 |
| 11 | 32 |
| 12 | 38 |
| 13 | 89 |
| 14 | 103 |
| 15 | 59 |
| 16 | 67 |
| 17 | 151 |
| 18 | 169 |
| 19 | 94 |
| 20 | 104 |
| 21 | 229 |
| 22 | 251 |
| 23 | 137 |
| 24 | 149 |
| 25 | 323 |
| 26 | 349 |
| 27 | 188 |
| 28 | 202 |
| 29 | 433 |
| 30 | 463 |
| 31 | 247 |
| 32 | 263 |
| 33 | 559 |
| 34 | 593 |
| 35 | 314 |
| 36 | 332 |
| 37 | 701 |
| 38 | 739 |
| 39 | 389 |
| 40 | 409 |
| 41 | 859 |
| 42 | 901 |
| 43 | 472 |
| 44 | 494 |
| 45 | 1033 |
| 46 | 1079 |
| 47 | 563 |
| 48 | 587 |
| 49 | 1223 |
| 50 | 1273 |
| 51 | 662 |
| 52 | 688 |
| 53 | 1429 |
| 54 | 1483 |
| 55 | 769 |
| 56 | 797 |
| 57 | 1651 |
| 58 | 1709 |
| 59 | 884 |
| 60 | 914 |
| 61 | 1889 |
| 62 | 1951 |
| 63 | 1007 |
| 64 | 1039 |
| 65 | 2143 |
| 66 | 2209 |
| 67 | 1138 |
| 68 | 1172 |
| 69 | 2413 |
| 70 | 2483 |
| 71 | 1277 |
| 72 | 1313 |
| 73 | 2699 |
| 74 | 2773 |
| 75 | 1424 |
| 76 | 1462 |
| 77 | 3001 |
| 78 | 3079 |
| 79 | 1579 |
[-1,-1,1,2,4,13,19,13,17,43,53,32,38,89,103,59,67, 151,169,94,104,229,251,137,149,323,349,188,202, 433,463,247,263,559,593,314,332,701,739,389,409, 859,901,472,494,1033,1079,563,587,1223,1273,662, 688,1429,1483,769,797,1651,1709,884,914,1889,1951, 1007,1039,2143,2209,1138,1172,2413,2483,1277,1313, 2699,2773,1424,1462,3001,3079,1579] |