G.f. satisfies A(x) = 1 + x^5*A(x)^4 / (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) =5a(11) =10a(12) =16a(13) =23a(14) =31a(15) =62a(16) =128a(17) =243a(18) =423a(19) =686a(20) =1192a(21) =2223a(22) =4223a(23) =7843a(24) =13991a(25) =24856a(26) =45108a(27) =83673a(28) =156223a(29) =288535