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A180974
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Numbers n such that 10^11 + n^2 is a square.
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1
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3750, 75000, 150000, 232500, 241875, 326625, 337500, 450000, 585000, 749250, 768750, 975000, 1230000, 1546500, 1584375, 1940325, 1987500, 2490000, 3117000, 3899850, 3993750, 4995000, 6246000, 7809300, 7996875, 9763065, 9997500
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OFFSET
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1,1
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COMMENTS
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There are 60 values of x>0 which satisfy 10^11 + x^2 = y^2. - Bruno Berselli, Jan 29 2013
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LINKS
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MATHEMATICA
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Block[{x, y}, x /. List@ToRules@Reduce[10^11 + x^2 == y^2 && y > x > 0, Integers]] (* Giovanni Resta, Jan 29 2013 *)
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PROG
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(Magma) [n: n in [0..10^7] | IsSquare(n^2 + 10^11)]; // Vincenzo Librandi, Jan 29 2013
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CROSSREFS
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KEYWORD
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nonn,easy,fini,full
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AUTHOR
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STATUS
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approved
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