Non-palindromic n and its digit reversal have the same sum of prime factors (with repetition).

Terms

a(0) =45a(1) =54a(2) =250a(3) =495a(4) =594a(5) =1131a(6) =1311a(7) =2262a(8) =2550a(9) =2622a(10) =2750a(11) =2926a(12) =3393a(13) =3933a(14) =4154a(15) =4489a(16) =4514a(17) =4545a(18) =4636a(19) =4995a(20) =5454a(21) =5808a(22) =5994a(23) =6292a(24) =6364a(25) =6550a(26) =7800a(27) =8085a(28) =8749a(29) =9478