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

Terms

a(0) =1a(1) =2a(2) =6a(3) =14a(4) =29a(5) =56a(6) =107a(7) =186a(8) =320a(9) =530a(10) =851a(11) =1332a(12) =2051a(13) =3074a(14) =4544a(15) =6602a(16) =9444a(17) =13322a(18) =18579a(19) =25564a(20) =34827a(21) =46954a(22) =62692a(23) =82954a(24) =108889a(25) =141732a(26) =183169a(27) =235042a(28) =299584a(29) =379434