34697

Appears in sequences

• RMS numbers: numbers n such that root mean square of divisors of n is an integer.at n=13A140480
• Primitive RMS numbers: RMS numbers which are not the product of two smaller RMS numbers.at n=9A141813
• Composite RMS numbers: composite numbers c such that root mean square of divisors of c is an integer.at n=9A158287
• Numbers m such that the arithmetic mean and the quadratic mean (the root mean square) of the divisors of m are both integers.at n=13A327055
• a(n) is the number of distinct triangles whose sides do not pass through a grid point and whose vertices are three points of an n X n grid.at n=34A372217