Expansion of 1/((1-2x)(1-9x)(1-10x)(1-11x)).

A028021

Expansion of 1/((1-2x)(1-9x)(1-10x)(1-11x)).

Terms

    a(0) =1a(1) =32a(2) =665a(3) =11380a(4) =174261a(5) =2483592a(6) =33669985a(7) =440024060a(8) =5592152621a(9) =69530670352a(10) =849490297305

External references