Primes with digit sum = 64.

Terms

a(0) =19999999a(1) =29999899a(2) =29999989a(3) =39979999a(4) =39999979a(5) =47999899a(6) =48899899a(7) =48989989a(8) =48997999a(9) =48999799a(10) =48999889a(11) =49989799a(12) =49999699a(13) =49999897a(14) =56999989a(15) =58799899a(16) =58898989a(17) =58988899a(18) =58997899a(19) =59698999a(20) =59788999