82177

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x+y+z.at n=17A212145
• a(n) is the index of the first occurrence of n in A278116.at n=10A278119
• Ordered hypotenuses of the Pythagorean triangles defined by a = 2^(4n) + 2^(2n+1), b = 2^(4n) - 2^(4n-2) - 2^(2n) - 1, c = 2^(4n) + 2^(4n-2) + 2^(2n) + 1.at n=3A381007