287300

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 9 ways.at n=14A025292
• Numbers that are the sum of 2 nonzero squares in 9 or more ways.at n=20A025300
• Numbers that are the sum of 2 distinct nonzero squares in exactly 9 ways.at n=14A025310
• Numbers that are the sum of 2 distinct nonzero squares in 9 or more ways.at n=20A025319
• Numbers k that are the hypotenuse of exactly 37 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 37 ways.at n=16A097245
• Numbers x,y,z such that UnitarySigma(x) = UnitarySigma(y) = UnitarySigma(z) = 3*(x*y*z)^(1/2)/(- x^(1/2) + 8*y^(1/2) - 5*z^(1/2)), z<=y<=x; sequence gives z.at n=10A144674