Maximal coefficient of (1 + x)^3 * (1 + x^2)^3 * (1 + x^3)^3 * ... * (1 + x^n)^3.

A369709

Maximal coefficient of (1 + x)^3 * (1 + x^2)^3 * (1 + x^3)^3 * ... * (1 + x^n)^3.

Terms

    a(0) =1a(1) =3a(2) =12a(3) =62a(4) =332a(5) =1974a(6) =12345a(7) =80006a(8) =531524a(9) =3602358a(10) =24836850a(11) =173607568a(12) =1226700784a(13) =8748861828a(14) =62922343566a(15) =455805857978

External references