Fixed points of f(n) = A252753(n-1).

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =8a(7) =10a(8) =12a(9) =16a(10) =20a(11) =24a(12) =32a(13) =40a(14) =48a(15) =64a(16) =80a(17) =96a(18) =128a(19) =160a(20) =192a(21) =256a(22) =320a(23) =384a(24) =481a(25) =512a(26) =640a(27) =768a(28) =962a(29) =1024