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

Terms

a(0) =0a(1) =1a(2) =5a(3) =23a(4) =97a(5) =399a(6) =1617a(7) =6511a(8) =26129a(9) =104687a(10) =419089a(11) =1677039a(12) =6709521a(13) =26840815a(14) =107368721a(15) =429485807a(16) =1717965073a(17) =6871903983a(18) =27487703313a(19) =109950988015a(20) =439804301585