A038698 - cp's OEIS frontend

A038698 Excess of 4k-1 primes over 4k+1 primes, beginning with prime 2.

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	1
7	0
8	1
9	2
10	1
11	2
12	1
13	0
14	1
15	2
16	1
17	2
18	1
19	2
20	3
21	2
22	3
23	4
24	3
25	2
26	1
27	2
28	3
29	2
30	1
31	2
32	3
33	2
34	3
35	2
36	3
37	2
38	3
39	4
40	3
41	4
42	3
43	4
44	3
45	2
46	3
47	4
48	5
49	6
50	5
51	4
52	5
53	4
54	5
55	4
56	5
57	4
58	5
59	4
60	3
61	4
62	3
63	4
64	5
65	4
66	3
67	4
68	3
69	4
70	3
71	2
72	3
73	4
74	3
75	4
76	5
77	4
78	3
79	2
80	1
81	2
82	1
83	2
84	1
85	2
86	3
87	2
88	1
89	0
90	1
91	2
92	3
93	4
94	5
95	6
96	7
97	6
98	5
99	6
100	5
101	6
102	5
103	6
104	5
105	6

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

cp's OEIS Frontend

A038698 Excess of 4k-1 primes over 4k+1 primes, beginning with prime 2.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	1
7	0
8	1
9	2
10	1
11	2
12	1
13	0
14	1
15	2
16	1
17	2
18	1
19	2
20	3
21	2
22	3
23	4
24	3
25	2
26	1
27	2
28	3
29	2
30	1
31	2
32	3
33	2
34	3
35	2
36	3
37	2
38	3
39	4
40	3
41	4
42	3
43	4
44	3
45	2
46	3
47	4
48	5
49	6
50	5
51	4
52	5
53	4
54	5
55	4
56	5
57	4
58	5
59	4
60	3
61	4
62	3
63	4
64	5
65	4
66	3
67	4
68	3
69	4
70	3
71	2
72	3
73	4
74	3
75	4
76	5
77	4
78	3
79	2
80	1
81	2
82	1
83	2
84	1
85	2
86	3
87	2
88	1
89	0
90	1
91	2
92	3
93	4
94	5
95	6
96	7
97	6
98	5
99	6
100	5
101	6
102	5
103	6
104	5
105	6

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	1
7	0
8	1
9	2
10	1
11	2
12	1
13	0
14	1
15	2
16	1
17	2
18	1
19	2
20	3
21	2
22	3
23	4
24	3
25	2
26	1
27	2
28	3
29	2
30	1
31	2
32	3
33	2
34	3
35	2
36	3
37	2
38	3
39	4
40	3
41	4
42	3
43	4
44	3
45	2
46	3
47	4
48	5
49	6
50	5
51	4
52	5
53	4
54	5
55	4
56	5
57	4
58	5
59	4
60	3
61	4
62	3
63	4
64	5
65	4
66	3
67	4
68	3
69	4
70	3
71	2
72	3
73	4
74	3
75	4
76	5
77	4
78	3
79	2
80	1
81	2
82	1
83	2
84	1
85	2
86	3
87	2
88	1
89	0
90	1
91	2
92	3
93	4
94	5
95	6
96	7
97	6
98	5
99	6
100	5
101	6
102	5
103	6
104	5
105	6

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	1
7	0
8	1
9	2
10	1
11	2
12	1
13	0
14	1
15	2
16	1
17	2
18	1
19	2
20	3
21	2
22	3
23	4
24	3
25	2
26	1
27	2
28	3
29	2
30	1
31	2
32	3
33	2
34	3
35	2
36	3
37	2
38	3
39	4
40	3
41	4
42	3
43	4
44	3
45	2
46	3
47	4
48	5
49	6
50	5
51	4
52	5
53	4
54	5
55	4
56	5
57	4
58	5
59	4
60	3
61	4
62	3
63	4
64	5
65	4
66	3
67	4
68	3
69	4
70	3
71	2
72	3
73	4
74	3
75	4
76	5
77	4
78	3
79	2
80	1
81	2
82	1
83	2
84	1
85	2
86	3
87	2
88	1
89	0
90	1
91	2
92	3
93	4
94	5
95	6
96	7
97	6
98	5
99	6
100	5
101	6
102	5
103	6
104	5
105	6