a(n) = floor(Fibonacci(n)/4).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =3a(8) =5a(9) =8a(10) =13a(11) =22a(12) =36a(13) =58a(14) =94a(15) =152a(16) =246a(17) =399a(18) =646a(19) =1045a(20) =1691a(21) =2736a(22) =4427a(23) =7164a(24) =11592a(25) =18756a(26) =30348a(27) =49104a(28) =79452a(29) =128557