Expansion of 1/((1-4x)(1-6x)(1-9x)).

Terms

a(0) =1a(1) =19a(2) =247a(3) =2743a(4) =28063a(5) =273847a(6) =2596399a(7) =24174631a(8) =222479455a(9) =2032023895a(10) =18467516431a(11) =167287650439