Numbers k such that 5*k^2 + 5 is a square.
A075796
Numbers k such that 5*k^2 + 5 is a square.
Terms
- a(0) =2a(1) =38a(2) =682a(3) =12238a(4) =219602a(5) =3940598a(6) =70711162a(7) =1268860318a(8) =22768774562a(9) =408569081798
External references
- oeis: A075796