Numbers of the form prime(prime(prime(k))) with a digit sum which is prime.

Terms

a(0) =5a(1) =11a(2) =179a(3) =331a(4) =599a(5) =919a(6) =1297a(7) =1523a(8) =1787a(9) =2221a(10) =3259a(11) =3637a(12) =3943a(13) =4397a(14) =5381a(15) =6113a(16) =6661a(17) =6823a(18) =8221a(19) =9859a(20) =10631a(21) =11953a(22) =12097a(23) =12301a(24) =12547a(25) =12763a(26) =13469a(27) =14723a(28) =15641a(29) =15823