Given
a^2+15226=c^2,
How many solutions (a,c) are there such that both numbers are positive integers?
Please comment upon the unexpected result.
(In reply to
re: computer findings by armando)
e.g. 121-100 or 9-4 ????
??? -when a and c are of the same parity
you may say : the difference between two integer squares is
either odd or divisible by 4.