A371729 - cp's OEIS frontend

A371729 The number of pseudoprimes to base n that are smaller than n.

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

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

cp's OEIS Frontend

A371729 The number of pseudoprimes to base n that are smaller than n.

Table of values

List of values

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

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

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