593047

Appears in sequences

• Taxi-cab numbers: sums of 2 cubes in more than 1 way.at n=32A001235
• Smallest m such that m can be written in exactly n ways as x^2 + xy + y^2 with 0 <= x <= y.at n=10A198799
• a(n) = 1729*n^3.at n=6A280428
• Smallest nonnegative number k such that k can be written in exactly n ways as x^2 + xy + y^2 where x and y are positive integers, with x >= y.at n=10A300419
• Numbers that are the sum of two positive cubes in exactly two ways.at n=32A343708
• Smallest k such that circle centered at the origin and with radius sqrt(k) passes through exactly 6*n integer points in the hexagonal lattice (see A004016).at n=19A343771
• Numbers of the form (q1^b1)(q2^b2)(q3^b3)(q4^b4)(q5^b5)... where q1=7, q2=13, q3=19, q4=31, q5=37, ... (A002476) and b1>=b2>=b3>=b4>=b5...at n=21A344473
• Taxicab numbers that are sandwiched between nonsquarefree numbers.at n=3A372296
• a(n) is the smallest nonnegative integer k where exactly n ordered pairs of positive integers (x, y) exist such that x^2 + x*y + y^2 = k.at n=20A374090
• a(n) is the smallest nonnegative integer k where there are exactly n solutions to x^2 + x*y + y^2 = k with 0 < x < y.at n=10A374094
• a(n) is the smallest nonnegative integer k where there are exactly n nonnegative integer solutions to x^2 + 3*y^2 = k.at n=10A374286
• a(n) is the smallest positive integer k such that A096936(k) = n.at n=19A374295
• Taxicab numbers that are deficient.at n=15A379849
• G.f. A(x) satisfies A(x) = ( 1 + 49*x*A(x)^8 )^(1/7).at n=4A385208