1983163

Appears in sequences

• Product of the first n primes of the form 6k+1.at n=4A121940
• Smallest m such that m can be written in exactly n ways as x^2 + xy + y^2 with 0 <= x <= y.at n=16A198799
• Squared radii of circles around a point of the hexagonal lattice that contain a record number of lattice points.at n=12A230655
• 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=16A300419
• 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=26A344473
• Numbers k such that k^2 can be represented as x^2 + x*y + y^2 in more ways than for any smaller k.at n=9A357302
• 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=16A374286