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Search: id:A144949
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A144949 Consider numbers x,y,z such that UnitarySigma(x) = UnitarySigma(y) = UnitarySigma(z) = 4*(x*y*z)^(1/2)/( x^(1/2) + y^(1/2) + z^(1/2)) , x<=y<=z . Sequence gives x . +0
1
3, 45, 1512, 51408, 66528, 85500, 185976, 6323184, 8182944, 11442816, 43023600, 318041100, 1407466368, 5881607424, 22350712320, 723437713152, 183348802920960 (list; graph; listen)
OFFSET

1,1

COMMENT

a(6) : x=y, y<z

a(11) : x=y, y<z

a(12) : x<y, y=z

CROSSREFS

Sequence in context: A012769 A009088 A113065 this_sequence A144950 A144951 A079484

Adjacent sequences: A144946 A144947 A144948 this_sequence A144950 A144951 A144952

KEYWORD

nonn

AUTHOR

Yasutoshi Kohmoto zbi74583.boat at orange.zero.jp, Feb 21 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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