Primes of the form x^2 + 5*y^2, where x and y=x+1 are consecutive natural numbers.

Terms

a(0) =5a(1) =89a(2) =281a(3) =1321a(4) =2129a(5) =2861a(6) =3701a(7) =4649a(8) =6469a(9) =6869a(10) =9049a(11) =9521a(12) =10501a(13) =13729a(14) =17389a(15) =18041a(16) =19381a(17) =21481a(18) =23689a(19) =26801a(20) =28429a(21) =33601a(22) =42169a(23) =71069a(24) =75041a(25) =81901a(26) =86161a(27) =90529a(28) =92009a(29) =101141