Numbers whose numerator and denominator of their abundancy index are both Fibonacci numbers.

Terms

a(0) =1a(1) =2a(2) =6a(3) =15a(4) =24a(5) =26a(6) =28a(7) =84a(8) =90a(9) =96a(10) =120a(11) =270a(12) =330a(13) =496a(14) =672a(15) =1335a(16) =1488a(17) =1540a(18) =1638a(19) =8128a(20) =24384a(21) =27280a(22) =44109a(23) =68200a(24) =131040a(25) =447040a(26) =523776a(27) =18506880a(28) =22256640a(29) =33550336