Least prime p with digit sum A047235(n).

Terms

a(0) =2a(1) =13a(2) =17a(3) =19a(4) =59a(5) =79a(6) =389a(7) =499a(8) =1889a(9) =1999a(10) =6899a(11) =17989a(12) =39989a(13) =49999a(14) =98999a(15) =199999a(16) =599999a(17) =799999a(18) =2999999a(19) =4999999a(20) =9899999a(21) =19999999a(22) =59999999a(23) =189997999a(24) =389999999a(25) =689899999a(26) =998999999a(27) =2999899999a(28) =6999999989a(29) =9899989999