Number of primes with nonzero digits and digit sum n.

Terms

a(0) =0a(1) =2a(2) =1a(3) =3a(4) =7a(5) =0a(6) =29a(7) =27a(8) =0a(9) =90a(10) =234a(11) =0a(12) =753a(13) =1025a(14) =0a(15) =3876a(16) =9242a(17) =0a(18) =32549a(19) =50112a(20) =0a(21) =180092a(22) =420318a(23) =0a(24) =1525141a(25) =2467286a(26) =0a(27) =9248093a(28) =20668960a(29) =0