a(n) = (a(n-3) + a(n-1) * a(n-5)) / a(n-6), a(0) = a(1) = ... = a(5) = 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =3a(8) =4a(9) =6a(10) =9a(11) =22a(12) =36a(13) =51a(14) =82a(15) =129a(16) =321a(17) =529a(18) =753a(19) =1217a(20) =1921a(21) =4786a(22) =7891a(23) =11236a(24) =18166a(25) =28681a(26) =71462a(27) =117828a(28) =167779a(29) =271266