A048853 - cp's OEIS frontend

A048853 Number of primes (different from n) that can be produced by altering one digit of decimal expansion of n (without changing the number of digits).

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

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

cp's OEIS Frontend

A048853 Number of primes (different from n) that can be produced by altering one digit of decimal expansion of n (without changing the number of digits).

Table of values

List of values

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

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

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