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A116351
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Numbers n such that n times n+5 gives the concatenation of two numbers m and m+9.
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4
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8446, 8811, 69125298546226023972, 69855225553525294045, 74604750601020544520, 75334677608319814593, 92496418993920707747, 93226346001219977820, 97975871048715228295, 98705798056014498368
(list; graph; refs; listen; history; internal format)
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