Number of non-self-conjugate inseparable solutions of X + Y = 2Z (integer, disjoint triples from {1,2,3,...,3n}).

A282617

Number of non-self-conjugate inseparable solutions of X + Y = 2Z (integer, disjoint triples from {1,2,3,...,3n}).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =4a(4) =14a(5) =104a(6) =594a(7) =3988a(8) =29188a(9) =227588a(10) =1983482a(11) =18398780a(12) =188210020a(13) =2030025592a(14) =23828759942a(15) =293948660282

External references