450241

Appears in sequences

• Composite numbers whose prime factors contain no digits other than 1 and 6.at n=20A036306
• Squares expressible as the sum of two positive cubes in at least one way.at n=17A050802
• Nonnegative integers c such that there are nonnegative integers a and b that satisfy a^(1/2) + b^(1/2) = c^(1/2) and a^2 + b = c.at n=11A135509
• a(n) = (3^n - 1)*(3^n + 1)^2/32.at n=5A152256
• Powerful numbers (A001694) which can be written as the sum of two relatively prime 3-powerful numbers (A036966) different from 1.at n=17A210470
• Powerful numbers of the form x^3 + y^3 with x and y coprime.at n=5A238120
• Perfect powers of the form x^3 + y^3 where x and y are positive integers.at n=21A267088
• Perfect powers of the form x^3 + y^3 where x and y are distinct positive integers.at n=14A267416
• Number of 2 X 2 matrices having all elements in {-n,..,0,..,n} with determinant = permanent.at n=30A280059
• Squares whose base-3 expansion has no 0.at n=25A363428