Expansion of 1/((1-3x)*(1-7x)*(1-9x)).

A017998

Expansion of 1/((1-3x)*(1-7x)*(1-9x)).

Terms

    a(0) =1a(1) =19a(2) =250a(3) =2830a(4) =29611a(5) =295729a(6) =2866900a(7) =27241660a(8) =255258421a(9) =2367929839a(10) =21805655950a(11) =199711092490

External references