A344174 - cp's OEIS frontend

A344174 Number of primes p of the form x^4 + y^2 with y + 1 prime such that p is smaller than prime(n) and also a quadratic nonresidue modulo prime(n).

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

[0, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 3, 1, 3, 1, 2, 2, 3, 2, 1, 2, 2, 2, 1, 3, 1, 3, 4, 4, 4, 3, 4, 2, 4, 3, 1, 3, 5, 4, 5, 3, 3, 3, 3, 3, 5, 4, 2, 4, 2, 3, 3, 3, 3, 5, 4, 5, 4, 8, 3, 4, 4, 2, 6, 5, 4, 6, 5, 8, 3, 4, 3, 5, 3, 3, 6, 4, 6, 4, 4, 4, 3, 5, 4, 7, 6, 3, 6, 5, 4, 7, 4, 5, 2, 4, 6, 2, 4, 6, 7]

cp's OEIS Frontend

A344174 Number of primes p of the form x^4 + y^2 with y + 1 prime such that p is smaller than prime(n) and also a quadratic nonresidue modulo prime(n).

Table of values

List of values

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

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

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