Expansion of 1/((1-3x)(1-6x)(1-7x)(1-9x)).

A028075

Expansion of 1/((1-3x)(1-6x)(1-7x)(1-9x)).

Terms

    a(0) =1a(1) =25a(2) =400a(3) =5230a(4) =60991a(5) =661675a(6) =6836950a(7) =68263360a(8) =664838581a(9) =6356961325a(10) =59947423900a(11) =559395635890

External references