A278720 - cp's OEIS frontend

A278720 The p-defect p - N(p) of the congruence y^2 == x^3 + 4*x (mod p) for primes p, where N(p) is the number of solutions given by A276730.

n	a(n)
1	0
2	0
3	-2
4	0
5	0
6	6
7	2
8	0
9	0
10	-10
11	0
12	-2
13	10
14	0
15	0
16	14
17	0
18	-10
19	0
20	0
21	-6
22	0
23	0
24	10
25	18
26	-2
27	0
28	0
29	6
30	-14
31	0
32	0
33	-22
34	0
35	14
36	0
37	22
38	0
39	0
40	-26
41	0
42	-18
43	0
44	-14
45	-2
46	0
47	0
48	0
49	0
50	30
51	26
52	0
53	-30
54	0
55	2
56	0
57	-26
58	0
59	-18
60	10
61	0
62	-34
63	0
64	0
65	26
66	22
67	0
68	18
69	0
70	-10
71	34
72	0
73	0
74	14
75	0
76	0
77	-34
78	38
79	2
80	-6
81	0
82	30
83	0
84	34
85	0
86	0
87	-14
88	42
89	38
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	-10
98	-22
99	0
100	-42

[0, 0, -2, 0, 0, 6, 2, 0, 0, -10, 0, -2, 10, 0, 0, 14, 0, -10, 0, 0, -6, 0, 0, 10, 18, -2, 0, 0, 6, -14, 0, 0, -22, 0, 14, 0, 22, 0, 0, -26, 0, -18, 0, -14, -2, 0, 0, 0, 0, 30, 26, 0, -30, 0, 2, 0, -26, 0, -18, 10, 0, -34, 0, 0, 26, 22, 0, 18, 0, -10, 34, 0, 0, 14, 0, 0, -34, 38, 2, -6, 0, 30, 0, 34, 0, 0, -14, 42, 38, 0, 0, 0, 0, 0, 0, 0, -10, -22, 0, -42]

cp's OEIS Frontend

A278720 The p-defect p - N(p) of the congruence y^2 == x^3 + 4*x (mod p) for primes p, where N(p) is the number of solutions given by A276730.

Table of values

List of values

n	a(n)
1	0
2	0
3	-2
4	0
5	0
6	6
7	2
8	0
9	0
10	-10
11	0
12	-2
13	10
14	0
15	0
16	14
17	0
18	-10
19	0
20	0
21	-6
22	0
23	0
24	10
25	18
26	-2
27	0
28	0
29	6
30	-14
31	0
32	0
33	-22
34	0
35	14
36	0
37	22
38	0
39	0
40	-26
41	0
42	-18
43	0
44	-14
45	-2
46	0
47	0
48	0
49	0
50	30
51	26
52	0
53	-30
54	0
55	2
56	0
57	-26
58	0
59	-18
60	10
61	0
62	-34
63	0
64	0
65	26
66	22
67	0
68	18
69	0
70	-10
71	34
72	0
73	0
74	14
75	0
76	0
77	-34
78	38
79	2
80	-6
81	0
82	30
83	0
84	34
85	0
86	0
87	-14
88	42
89	38
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	-10
98	-22
99	0
100	-42

n	a(n)
1	0
2	0
3	-2
4	0
5	0
6	6
7	2
8	0
9	0
10	-10
11	0
12	-2
13	10
14	0
15	0
16	14
17	0
18	-10
19	0
20	0
21	-6
22	0
23	0
24	10
25	18
26	-2
27	0
28	0
29	6
30	-14
31	0
32	0
33	-22
34	0
35	14
36	0
37	22
38	0
39	0
40	-26
41	0
42	-18
43	0
44	-14
45	-2
46	0
47	0
48	0
49	0
50	30
51	26
52	0
53	-30
54	0
55	2
56	0
57	-26
58	0
59	-18
60	10
61	0
62	-34
63	0
64	0
65	26
66	22
67	0
68	18
69	0
70	-10
71	34
72	0
73	0
74	14
75	0
76	0
77	-34
78	38
79	2
80	-6
81	0
82	30
83	0
84	34
85	0
86	0
87	-14
88	42
89	38
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	-10
98	-22
99	0
100	-42

n	a(n)
1	0
2	0
3	-2
4	0
5	0
6	6
7	2
8	0
9	0
10	-10
11	0
12	-2
13	10
14	0
15	0
16	14
17	0
18	-10
19	0
20	0
21	-6
22	0
23	0
24	10
25	18
26	-2
27	0
28	0
29	6
30	-14
31	0
32	0
33	-22
34	0
35	14
36	0
37	22
38	0
39	0
40	-26
41	0
42	-18
43	0
44	-14
45	-2
46	0
47	0
48	0
49	0
50	30
51	26
52	0
53	-30
54	0
55	2
56	0
57	-26
58	0
59	-18
60	10
61	0
62	-34
63	0
64	0
65	26
66	22
67	0
68	18
69	0
70	-10
71	34
72	0
73	0
74	14
75	0
76	0
77	-34
78	38
79	2
80	-6
81	0
82	30
83	0
84	34
85	0
86	0
87	-14
88	42
89	38
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	-10
98	-22
99	0
100	-42