8182944

Appears in sequences

• Lower triangular array called S2hat(-4) related to partition number array A144284.at n=29A144285
• Second column (m=2) of triangle S2hat(-4) = A144285.at n=6A144339
• 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 .at n=8A144949
• 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 y.at n=8A144950
• 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.at n=8A144951
• Numbers whose sum of divisors is the square of one of their divisors.at n=13A303123