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A116116
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Numbers n such that n concatenated with n-6 gives the product of two numbers which differ by 2.
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5
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21, 30, 902406, 959721, 6040059046, 6242406405, 9842410005, 9900249006, 15033519988494, 17250863148969, 22499666270469, 27632040031654, 34182546327286, 37487353123861, 52213551379230, 74230108225630
(list; graph; refs; listen; history; internal format)
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