Prime self (or Colombian) numbers: primes not expressible as the sum of an integer and its digit sum.

A006378

Prime self (or Colombian) numbers: primes not expressible as the sum of an integer and its digit sum.

Terms

    a(0) =3a(1) =5a(2) =7a(3) =31a(4) =53a(5) =97a(6) =211a(7) =233a(8) =277a(9) =367a(10) =389a(11) =457a(12) =479a(13) =547a(14) =569a(15) =613a(16) =659a(17) =727a(18) =839a(19) =883a(20) =929a(21) =1021a(22) =1087a(23) =1109a(24) =1223a(25) =1289a(26) =1447a(27) =1559a(28) =1627a(29) =1693

External references