Primes of the form ((p+1)/2)^2+((p-1)/2), where p is prime.

Terms

a(0) =5a(1) =11a(2) =19a(3) =41a(4) =89a(5) =109a(6) =239a(7) =271a(8) =379a(9) =461a(10) =599a(11) =929a(12) =991a(13) =2069a(14) =2969a(15) =3079a(16) =4159a(17) =4421a(18) =4969a(19) =5851a(20) =9311a(21) =10099a(22) =13109a(23) =13339a(24) =14519a(25) =16001a(26) =20021a(27) =23869a(28) =25439a(29) =28729