What is a pair of square numbers with the difference 7?

A pair of square numbers with a difference of 7 is 9 and 2. Specifically, 3² (which is 9) and 1² (which is 1) satisfy the condition since 9 - 1 = 8. However, the correct pair is actually 16 (4²) and 9 (3²), as 16 - 9 = 7.