Numbers k such that k times phi(k) is a palindrome.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =17a(5) =21a(6) =206a(7) =296a(8) =309a(9) =314a(10) =392a(11) =412a(12) =444a(13) =3016a(14) =3074a(15) =3182a(16) =3552a(17) =3632a(18) =4944a(19) =12998a(20) =52009a(21) =296448a(22) =2306507a(23) =2343809a(24) =2958948a(25) =3842106a(26) =4419666a(27) =14697047a(28) =15137567a(29) =21150749