Least positive integer y such that p = (x^2 - 5*y^2)/4 where p is the n-th odd prime such that 5 is a square mod p.
A002343
Least positive integer y such that p = (x^2 - 5*y^2)/4 where p is the n-th odd prime such that 5 is a square mod p.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =2a(7) =3a(8) =1a(9) =3a(10) =1a(11) =4a(12) =1a(13) =1a(14) =2a(15) =4a(16) =5a(17) =5a(18) =1a(19) =2a(20) =3a(21) =6a(22) =3a(23) =1a(24) =5a(25) =2a(26) =4a(27) =1a(28) =7a(29) =5
External references
- oeis: A002343