Primes with digit sum = 47.

Terms

a(0) =389999a(1) =399899a(2) =399989a(3) =489989a(4) =497999a(5) =498989a(6) =499979a(7) =578999a(8) =587999a(9) =589997a(10) =597899a(11) =598799a(12) =599699a(13) =659999a(14) =668999a(15) =669989a(16) =678989a(17) =688799a(18) =688889a(19) =688979a(20) =689699a(21) =689789a(22) =689879a(23) =689987a(24) =695999a(25) =696989a(26) =697979a(27) =769799a(28) =769997a(29) =777989