Primes of form prime(n)*prime(2*n)+prime(n)+prime(2*n).

Terms

a(0) =11a(1) =31a(2) =83a(3) =359a(4) =1487a(5) =4283a(6) =4751a(7) =5471a(8) =7127a(9) =12527a(10) =41183a(11) =66863a(12) =71339a(13) =85247a(14) =186119a(15) =274223a(16) =290987a(17) =338687a(18) =373859a(19) =386219a(20) =400679a(21) =465299a(22) =490643a(23) =663407a(24) =720791a(25) =827147a(26) =883739a(27) =1096127a(28) =1124603