Numbers k such that 13*k^2 + 4 is a square.
A075835
Numbers k such that 13*k^2 + 4 is a square.
Terms
- a(0) =0a(1) =3a(2) =33a(3) =360a(4) =3927a(5) =42837a(6) =467280a(7) =5097243a(8) =55602393a(9) =606529080a(10) =6616217487a(11) =72171863277a(12) =787274278560
External references
- oeis: A075835