Primes expressible in two ways as the sum of an integer and its digit sum.

Terms

a(0) =101a(1) =103a(2) =107a(3) =109a(4) =113a(5) =307a(6) =311a(7) =313a(8) =317a(9) =509a(10) =521a(11) =709a(12) =719a(13) =911a(14) =919a(15) =1009a(16) =1013a(17) =1213a(18) =1217a(19) =1409a(20) =1607a(21) =1609a(22) =1613a(23) =1619a(24) =1621a(25) =1811a(26) =1823a(27) =2017a(28) =2027a(29) =2111