Number of ways to represent 2n+1 as a+b with 0 < a < b and a^2 + b^2 prime.

Terms

a(0) =1a(1) =2a(2) =2a(3) =2a(4) =3a(5) =3a(6) =4a(7) =4a(8) =4a(9) =3a(10) =4a(11) =8a(12) =4a(13) =6a(14) =5a(15) =4a(16) =9a(17) =8a(18) =6a(19) =9a(20) =7a(21) =7a(22) =7a(23) =5a(24) =7a(25) =9a(26) =14a(27) =8a(28) =9a(29) =11