Primes of the form n^2 + n + 1 where n is nonprime.

Terms

a(0) =3a(1) =43a(2) =73a(3) =157a(4) =211a(5) =241a(6) =421a(7) =463a(8) =601a(9) =757a(10) =1123a(11) =1483a(12) =2551a(13) =2971a(14) =3307a(15) =3907a(16) =4423a(17) =4831a(18) =5701a(19) =6007a(20) =6163a(21) =6481a(22) =8191a(23) =9901a(24) =11131a(25) =12211a(26) =12433a(27) =13807a(28) =14281a(29) =19183