Numbers whose numerator and denominator of the harmonic mean of their divisors are both Fibonacci numbers.
A348658
Numbers whose numerator and denominator of the harmonic mean of their divisors are both Fibonacci numbers.
Terms
- a(0) =1a(1) =3a(2) =5a(3) =6a(4) =15a(5) =21a(6) =28a(7) =140a(8) =182a(9) =496a(10) =546a(11) =672a(12) =918a(13) =1890a(14) =2016a(15) =4005a(16) =4590a(17) =24384a(18) =52780a(19) =55860a(20) =68200a(21) =84812a(22) =90090a(23) =105664a(24) =145782a(25) =186992a(26) =204600a(27) =381654a(28) =728910a(29) =907680
External references
- oeis: A348658