Expansion of 1/((1-6x)*(1-7x)*(1-8x)*(1-9x)).

A028200

Expansion of 1/((1-6x)*(1-7x)*(1-8x)*(1-9x)).

Terms

    a(0) =1a(1) =30a(2) =565a(3) =8550a(4) =113701a(5) =1388310a(6) =15958405a(7) =175419750a(8) =1863406501a(9) =19269697590a(10) =195034120645

External references