Primes of the form k^2 + prime(k).

Terms

a(0) =3a(1) =7a(2) =23a(3) =83a(4) =181a(5) =239a(6) =563a(7) =1013a(8) =1447a(9) =1607a(10) =2129a(11) =2729a(12) =3167a(13) =3881a(14) =4673a(15) =5849a(16) =6481a(17) =7489a(18) =8563a(19) =9719a(20) =11813a(21) =18713a(22) =21563a(23) =25247a(24) =27197a(25) =29221a(26) =33469a(27) =36467a(28) =47977a(29) =50683