a(n) = floor(Fibonacci(n)/5).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =2a(8) =4a(9) =6a(10) =11a(11) =17a(12) =28a(13) =46a(14) =75a(15) =122a(16) =197a(17) =319a(18) =516a(19) =836a(20) =1353a(21) =2189a(22) =3542a(23) =5731a(24) =9273a(25) =15005a(26) =24278a(27) =39283a(28) =63562a(29) =102845