4877509
domain: N
Appears in sequences
- Smallest m such that m can be written in exactly n ways as x^2 + xy + y^2 with 0 <= x <= y.at n=18A198799
- Squared radii of circles around a point of the hexagonal lattice that contain a record number of lattice points.at n=13A230655
- 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=18A300419
- 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=31A344473