A266148 - cp's OEIS frontend

A266148 Number of n-digit primes in which n-1 of the digits are 9's.

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

[4, 6, 7, 7, 8, 10, 7, 13, 8, 8, 11, 13, 8, 11, 13, 14, 10, 9, 7, 11, 9, 13, 10, 19, 5, 10, 14, 7, 10, 9, 9, 15, 13, 8, 7, 9, 10, 11, 10, 13, 5, 12, 15, 7, 12, 7, 12, 11, 13, 11, 8, 13, 13, 13, 12, 12, 9, 9, 15, 14, 9, 8, 13, 11, 15, 17, 10, 8, 11, 10, 6, 16, 8, 8, 8, 15, 9, 11, 14, 7, 10, 11, 16, 17, 11, 10, 12, 16, 8, 15, 7, 11, 11, 10, 7, 12, 6, 10, 8, 9]

cp's OEIS Frontend

A266148 Number of n-digit primes in which n-1 of the digits are 9's.

Table of values

List of values

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

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

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