A125002 - cp's OEIS frontend

A125002 Let p = prime(n); a(n) = number of primes q with same number of digits as p that can be obtained from p by changing one digit.

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

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

cp's OEIS Frontend

A125002 Let p = prime(n); a(n) = number of primes q with same number of digits as p that can be obtained from p by changing one digit.

Table of values

List of values

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

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

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