Expansion of 1/((1-2x)(1-4x)(1-6x)(1-10x)).

A025968

Expansion of 1/((1-2x)(1-4x)(1-6x)(1-10x)).

Terms

    a(0) =1a(1) =22a(2) =320a(3) =3920a(4) =44016a(5) =471072a(6) =4904320a(7) =50237440a(8) =509670656a(9) =5141007872a(10) =51677982720a(11) =518395637760

External references