Nonprime numbers k whose arithmetic derivative k' (A003415) is a Fibonacci number (A000045).

Terms

a(0) =1a(1) =6a(2) =15a(3) =18a(4) =22a(5) =38a(6) =75a(7) =93a(8) =106a(9) =145a(10) =253a(11) =289a(12) =695a(13) =959a(14) =1467a(15) =1703a(16) =1820a(17) =1821a(18) =2159a(19) =3283a(20) =3485a(21) =3503a(22) =3959a(23) =4223a(24) =4343a(25) =4559a(26) =5063a(27) =5183a(28) =6482a(29) =6589