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A144951 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 z. 1
3, 45, 1512, 51408, 66528, 116375, 185976, 6323184, 8182944, 11442816, 50492975, 368852400, 1407466368, 5881607424, 22350712320, 723437713152, 183348802920960 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

CROSSREFS

Sequence in context: A113065 A144949 A144950 * A079484 A012494 A012780

Adjacent sequences:  A144948 A144949 A144950 * A144952 A144953 A144954

KEYWORD

nonn

AUTHOR

Yasutoshi Kohmoto, Feb 21 2009

STATUS

approved

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Last modified January 25 08:59 EST 2022. Contains 350565 sequences. (Running on oeis4.)