Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 18.

Terms

a(0) =401408a(1) =414050a(2) =436032a(3) =455625a(4) =462400a(5) =466608a(6) =476100a(7) =486300a(8) =486900a(9) =512337a(10) =522242a(11) =526974a(12) =543600a(13) =544644a(14) =544944a(15) =546192a(16) =546861a(17) =554304a(18) =559504a(19) =571536a(20) =572313a(21) =575028a(22) =577200a(23) =579856a(24) =583200a(25) =585528a(26) =599694a(27) =604300a(28) =609429a(29) =611618