Primes of the form j^2 + (j+1)^2.

Terms

a(0) =5a(1) =13a(2) =41a(3) =61a(4) =113a(5) =181a(6) =313a(7) =421a(8) =613a(9) =761a(10) =1013a(11) =1201a(12) =1301a(13) =1741a(14) =1861a(15) =2113a(16) =2381a(17) =2521a(18) =3121a(19) =3613a(20) =4513a(21) =5101a(22) =7321a(23) =8581a(24) =9661a(25) =9941a(26) =10513a(27) =12641a(28) =13613a(29) =14281