a(n) is the least integer k such that k/Fibonacci(n) > 1/4.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =4a(8) =6a(9) =9a(10) =14a(11) =23a(12) =36a(13) =59a(14) =95a(15) =153a(16) =247a(17) =400a(18) =646a(19) =1046a(20) =1692a(21) =2737a(22) =4428a(23) =7165a(24) =11592a(25) =18757a(26) =30349a(27) =49105a(28) =79453a(29) =128558