Squares of NSW numbers (A002315): x^2 such that x^2 - 2y^2 = -1 for some y.

A008843

Squares of NSW numbers (A002315): x^2 such that x^2 - 2y^2 = -1 for some y.

Terms

    a(0) =1a(1) =49a(2) =1681a(3) =57121a(4) =1940449a(5) =65918161a(6) =2239277041a(7) =76069501249

External references