a(n) is the first positive integer that has exactly n representations as x * y * (x + y) where x >= y > 1.

A376641

a(n) is the first positive integer that has exactly n representations as x * y * (x + y) where x >= y > 1.

Terms

    a(0) =1a(1) =16a(2) =240a(3) =1680a(4) =23760a(5) =18480a(6) =498960a(7) =24386670a(8) =3991680a(9) =57805440a(10) =618068880a(11) =195093360a(12) =4944551040a(13) =1560746880a(14) =12485975040a(15) =99887800320a(17) =195093360000

External references