They are: 49+16 = 65
27
16 can have only one square and that is 256.
25 - 9 = 16
52 - 32 = 16.
They can be: 16 -4 = 12
They are: 49+16 = 65
36
27
16 can have only one square and that is 256.
16 and 9
25 - 9 = 16
52 - 32 = 16.
67
82
These are square numbers. 1, 4, 9, 16, 25 1 2, 2 2, 3 2, 4 2, 5 2, next number is 6 2 = 36
the first 4 are 1, 2, 3, and 4, which make 1, 4, 9, and 16.