Expansion of 1/((1-2x)(1-4x)(1-7x)(1-9x)).

A025972

Expansion of 1/((1-2x)(1-4x)(1-7x)(1-9x)).

Terms

    a(0) =1a(1) =22a(2) =317a(3) =3806a(4) =41421a(5) =424974a(6) =4198189a(7) =40430302a(8) =382529741a(9) =3573890606a(10) =33084972141a(11) =304212832638

External references