A302778 - cp's OEIS frontend

A302778 Number of "Fermi-Dirac primes" (A050376) <= n.

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

[0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 10, 10, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 22, 22, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 25, 25, 26, 26, 26, 26, 26, 26, 27, 27, 28, 28, 29, 29, 29, 29, 29, 29, 30]

cp's OEIS Frontend

A302778 Number of "Fermi-Dirac primes" (A050376) <= n.

Table of values

List of values

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

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

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