Primes with digit sum = 52.

Terms

a(0) =799999a(1) =998989a(2) =999979a(3) =1789999a(4) =1798999a(5) =1979899a(6) =1989979a(7) =1997899a(8) =1999969a(9) =2599999a(10) =2699989a(11) =2797999a(12) =2798899a(13) =2798989a(14) =2878999a(15) =2889979a(16) =2897989a(17) =2898979a(18) =2969899a(19) =2979997a(20) =2986999a(21) =2987989a(22) =2989879a(23) =2995999a(24) =2996899a(25) =2997997a(26) =3499999a(27) =3599899a(28) =3679999a(29) =3788989