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

Terms

a(0) =1a(1) =1a(2) =7a(3) =9a(4) =39a(5) =57a(6) =199a(7) =313a(8) =967a(9) =1593a(10) =4551a(11) =7737a(12) =20935a(13) =36409a(14) =94663a(15) =167481a(16) =422343a(17) =757305a(18) =1864135a(19) =3378745a(20) =8155591a(21) =14913081a(22) =35418567a(23) =65244729a(24) =152859079a(25) =283348537a(26) =656175559a(27) =1222872633a(28) =2803659207a(29) =5249404473