Numbers k such that the decimal digits of phi(k) are a permutation of those of k.

Terms

a(0) =1a(1) =21a(2) =63a(3) =291a(4) =502a(5) =2518a(6) =2817a(7) =2991a(8) =4435a(9) =5229a(10) =5367a(11) =5637a(12) =6102a(13) =6174a(14) =6543a(15) =6822a(16) =7236a(17) =7422a(18) =8022a(19) =8541a(20) =8982a(21) =17631a(22) =18231a(23) =18261a(24) =20301a(25) =20518a(26) =20617a(27) =21058a(28) =22471a(29) =22851