G.f. satisfies A(x) = 1 + x^5 / (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) =1a(11) =2a(12) =4a(13) =7a(14) =11a(15) =16a(16) =22a(17) =31a(18) =47a(19) =76a(20) =126a(21) =207a(22) =331a(23) =517a(24) =801a(25) =1251a(26) =1987a(27) =3206a(28) =5212a(29) =8465