Numbers n such that the period length P(n) of the Fibonacci sequence mod n is a multiple of n.

Terms

a(0) =1a(1) =5a(2) =6a(3) =10a(4) =12a(5) =20a(6) =24a(7) =25a(8) =30a(9) =50a(10) =60a(11) =100a(12) =120a(13) =125a(14) =150a(15) =250a(16) =300a(17) =500a(18) =600a(19) =625a(20) =750a(21) =1250a(22) =1500a(23) =2500a(24) =3000a(25) =3125a(26) =3750a(27) =6250a(28) =7500a(29) =12500