A048153 - cp's OEIS frontend

A048153 a(n) = Sum_{k=1..n} (k^2 mod n).

n	a(n)
1	0
2	1
3	2
4	2
5	10
6	13
7	14
8	12
9	24
10	45
11	44
12	38
13	78
14	77
15	70
16	56
17	136
18	129
19	152
20	130
21	182
22	209
23	184
24	148
25	250
26	325
27	288
28	294
29	406
30	365
31	372
32	304
33	484
34	561
35	490
36	402
37	666
38	665
39	572
40	540
41	820
42	805
43	860
44	726
45	840
46	897
47	846
48	680
49	980
50	1125
51	1156
52	1170
53	1378
54	1305
55	1210

[0, 1, 2, 2, 10, 13, 14, 12, 24, 45, 44, 38, 78, 77, 70, 56, 136, 129, 152, 130, 182, 209, 184, 148, 250, 325, 288, 294, 406, 365, 372, 304, 484, 561, 490, 402, 666, 665, 572, 540, 820, 805, 860, 726, 840, 897, 846, 680, 980, 1125, 1156, 1170, 1378, 1305, 1210]

cp's OEIS Frontend

A048153 a(n) = Sum_{k=1..n} (k^2 mod n).

Table of values

List of values