Expansion of 1/((1-x)*(1-3*x)*(1-4*x)).

Terms

a(0) =1a(1) =8a(2) =45a(3) =220a(4) =1001a(5) =4368a(6) =18565a(7) =77540a(8) =320001a(9) =1309528a(10) =5326685a(11) =21572460a(12) =87087001a(13) =350739488a(14) =1410132405a(15) =5662052980a(16) =22712782001a(17) =91044838248a(18) =364760483725