Smallest k such that k*n^2 +1 is an n-th power.

A193746

Smallest k such that k*n^2 +1 is an n-th power.

Terms

    a(0) =1a(1) =2a(2) =7a(3) =5a(4) =311a(5) =434a(6) =42799a(7) =90075a(8) =12345679a(9) =34867844a(10) =6140565047a(11) =1695421

External references