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A116350
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Numbers n such that n times n+4 gives the concatenation of two numbers m and m+9.
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4
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33, 64, 45211541, 54788456, 78317868, 72388446037855609175404258, 73247326752475247326752673, 75267524732673267524732473, 76126405447292905676080888, 42053270820132695893502981749304
(list; graph; refs; listen; history; internal format)
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