Expansion of (1 - x + x^2)*(1 + x + x^2 - x^3 + 2*x^4)/((1 - x)*(1 + x)^2*(1 + x^2)*(1 + x - x^2 + x^3)).

A104237

Expansion of (1 - x + x^2)*(1 + x + x^2 - x^3 + 2*x^4)/((1 - x)*(1 + x)^2*(1 + x^2)*(1 + x - x^2 + x^3)).

Terms

    a(0) =1a(1) =-2a(2) =5a(3) =-11a(4) =26a(5) =-53a(6) =104a(7) =-198a(8) =375a(9) =-700a(10) =1299a(11) =-2401a(12) =4432a(13) =-8167a(14) =15038a(15) =-27676a(16) =50925a(17) =-93686a(18) =172337a(19) =-316999a(20) =583078a(21) =-1072473a(22) =1972612a(23) =-3628226a(24) =6673379a(25) =-12274288a(26) =22575967a(27) =-41523709a(28) =76374044a(29) =-140473803

External references