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

A021229

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

Terms

    a(0) =1a(1) =19a(2) =248a(3) =2786a(4) =28983a(5) =288273a(6) =2786566a(7) =26424112a(8) =247232645a(9) =2291004287a(10) =21080414004a(11) =192953358078

External references