Least positive integer x such that prime A038873(n) = x^2 - 2y^2 for some y.

Terms

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