Primes whose sum of digits is 7.

Terms

a(0) =7a(1) =43a(2) =61a(3) =151a(4) =223a(5) =241a(6) =313a(7) =331a(8) =421a(9) =601a(10) =1033a(11) =1051a(12) =1123a(13) =1213a(14) =1231a(15) =1303a(16) =1321a(17) =2113a(18) =2131a(19) =2203a(20) =2221a(21) =2311a(22) =3121a(23) =3301a(24) =4003a(25) =4021a(26) =4111a(27) =4201a(28) =5011a(29) =5101