Numbers n such that 19*n^2 + 19*n + 1 is a square.
A101180
Numbers n such that 19*n^2 + 19*n + 1 is a square.
Terms
- a(0) =0a(1) =8a(2) =671a(3) =15639a(4) =42159a(5) =981911a(6) =77624048a(7) =1807894920a(8) =4873553880a(9) =113507005568
External references
- oeis: A101180