G.f. satisfies A(x) = 1 + x^5*A(x)^3 / (1 - x*A(x)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =4a(11) =8a(12) =13a(13) =19a(14) =26a(15) =46a(16) =88a(17) =163a(18) =284a(19) =466a(20) =781a(21) =1369a(22) =2468a(23) =4449a(24) =7856a(25) =13724a(26) =24084a(27) =42788a(28) =76759a(29) =137785