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

Terms

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