69745

Appears in sequences

• Numbers that are the sum of 2 nonzero squares in exactly 8 ways.at n=12A025291
• Numbers that are the sum of 2 nonzero squares in 7 or more ways.at n=12A025298
• Numbers that are the sum of 2 nonzero squares in 8 or more ways.at n=12A025299
• Numbers that are the sum of 2 distinct nonzero squares in exactly 8 ways.at n=12A025309
• Numbers that are the sum of 2 distinct nonzero squares in 7 or more ways.at n=12A025317
• Numbers that are the sum of 2 distinct nonzero squares in 8 or more ways.at n=12A025318
• Numbers k that are the hypotenuse of exactly 40 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 40 ways.at n=6A097282
• RMS values of the RMS numbers: a(n) is the root mean square of the divisors of A140480(n).at n=22A141812
• Number of -n..n circular arrays x(0..5) of 6 elements with zero sums of x(i) and x(i)*x((i+1) mod 6).at n=15A202008
• Numbers n that are the product of four distinct odd primes and x^2 + y^2 = n has integer solutions.at n=5A264499
• Squarefree products of k primes that are symmetrically distributed around their average. Case k = 4.at n=32A294751
• Numbers that set a record for occurrences as longest side of a primitive Heronian triangle.at n=34A306626
• All integers k that can produce a closed walk in a square lattice via noncongruent primitive k-length hypotenuses, in ascending order.at n=1A386671