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.

A374094

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.

Terms

    a(0) =0a(1) =7a(2) =91a(3) =637a(4) =1729a(5) =31213a(6) =12103a(7) =405769a(8) =53599a(9) =157339a(10) =593047

External references