Consider pairs (k,m) such that k^2 begins with a 1 and when the 1 is changed to a 2 we again get a square, m^2; sequence gives values of m for primitive solutions.
A018232
Consider pairs (k,m) such that k^2 begins with a 1 and when the 1 is changed to a 2 we again get a square, m^2; sequence gives values of m for primitive solutions.
Terms
- a(0) =145a(1) =4625a(2) =17225a(3) =454625a(4) =14753125a(5) =53948125a(6) =1425503125a(7) =47063515625a(8) =168971890625
External references
- oeis: A018232