A165898 - cp's OEIS frontend

A165898 a(n) = sum of the quadratic nonresidues of n.

n	a(n)
1	0
2	0
3	2
4	5
5	5
6	7
7	14
8	23
9	24
10	20
11	33
12	52
13	39
14	49
15	75
16	106
17	68
18	93
19	95
20	155
21	140
22	121
23	161
24	234
25	175
26	156
27	225
28	294
29	203
30	285
31	279
32	424
33	363
34	272
35	420
36	534
37	333
38	361
39	533
40	645
41	410
42	553
43	473
44	748
45	765
46	575
47	658
48	1004
49	686
50	700
51	867
52	1027
53	689
54	882
55	1100
56	1288

[0, 0, 2, 5, 5, 7, 14, 23, 24, 20, 33, 52, 39, 49, 75, 106, 68, 93, 95, 155, 140, 121, 161, 234, 175, 156, 225, 294, 203, 285, 279, 424, 363, 272, 420, 534, 333, 361, 533, 645, 410, 553, 473, 748, 765, 575, 658, 1004, 686, 700, 867, 1027, 689, 882, 1100, 1288]

cp's OEIS Frontend

A165898 a(n) = sum of the quadratic nonresidues of n.

Table of values

List of values