Analysis of Quadratic Residue over Z₂₅

Quadratic residue (QR)	x such that x2 = QR mod 25	Occurance
0	0, 5, 10, 15, 20	5
1	1, 24	2
4	2, 23	2
6	9, 16	2
9	3, 22	2
11	6, 19	2
14	8, 17	2
16	4, 21	2
19	12, 13	2
21	11, 14	2
24	7, 18	2

Occurance	Quadratic residues	Total QRs with same occurance
2	1, 4, 6, 9, 11, 14, 16, 19, 21, 24	10
5	0	1