A077766 - cp's OEIS frontend

A077766 Number of primes of form 4k+1 between n^2 and (n+1)^2.

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

[0, 1, 1, 1, 1, 2, 2, 1, 2, 3, 1, 2, 3, 1, 3, 4, 3, 3, 3, 4, 3, 2, 3, 5, 4, 3, 5, 4, 4, 4, 5, 4, 6, 5, 5, 4, 5, 4, 3, 7, 7, 3, 7, 5, 6, 5, 8, 8, 5, 4, 8, 9, 6, 5, 7, 7, 6, 8, 7, 8, 7, 6, 8, 7, 9, 8, 7, 7, 8, 9, 5, 10, 8, 7, 11, 9, 6, 10, 12, 8, 10, 10, 7, 8, 10, 12, 10, 11, 11, 9, 10, 10, 11, 10, 11, 11]

cp's OEIS Frontend

A077766 Number of primes of form 4k+1 between n^2 and (n+1)^2.

Table of values

List of values

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

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

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