A232127 - cp's OEIS frontend

A232127 Maximal number of digits that can be appended to prime(n) preserving primality at each step.

n	a(n)
1	7
2	7
3	7
4	7
5	1
6	6
7	3
8	8
9	6
10	6
11	3
12	6
13	1
14	5
15	3
16	0
17	6
18	5
19	5
20	4
21	6
22	1
23	1
24	0
25	2
26	4
27	9
28	0
29	4
30	0
31	5
32	1
33	1
34	5
35	3
36	1
37	2
38	1
39	0
40	2
41	0
42	4
43	2
44	3
45	7
46	5
47	2
48	3
49	4
50	3
51	5
52	4
53	5
54	0
55	4
56	3
57	4
58	5
59	3
60	1
61	1
62	5
63	1
64	2
65	2
66	0
67	6
68	3
69	0
70	4
71	5
72	2
73	4
74	5
75	1
76	2
77	0
78	0
79	3
80	10
81	0
82	3
83	0
84	2
85	4
86	0
87	3
88	0
89	0
90	6

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

cp's OEIS Frontend

A232127 Maximal number of digits that can be appended to prime(n) preserving primality at each step.

Table of values

List of values

n	a(n)
1	7
2	7
3	7
4	7
5	1
6	6
7	3
8	8
9	6
10	6
11	3
12	6
13	1
14	5
15	3
16	0
17	6
18	5
19	5
20	4
21	6
22	1
23	1
24	0
25	2
26	4
27	9
28	0
29	4
30	0
31	5
32	1
33	1
34	5
35	3
36	1
37	2
38	1
39	0
40	2
41	0
42	4
43	2
44	3
45	7
46	5
47	2
48	3
49	4
50	3
51	5
52	4
53	5
54	0
55	4
56	3
57	4
58	5
59	3
60	1
61	1
62	5
63	1
64	2
65	2
66	0
67	6
68	3
69	0
70	4
71	5
72	2
73	4
74	5
75	1
76	2
77	0
78	0
79	3
80	10
81	0
82	3
83	0
84	2
85	4
86	0
87	3
88	0
89	0
90	6

n	a(n)
1	7
2	7
3	7
4	7
5	1
6	6
7	3
8	8
9	6
10	6
11	3
12	6
13	1
14	5
15	3
16	0
17	6
18	5
19	5
20	4
21	6
22	1
23	1
24	0
25	2
26	4
27	9
28	0
29	4
30	0
31	5
32	1
33	1
34	5
35	3
36	1
37	2
38	1
39	0
40	2
41	0
42	4
43	2
44	3
45	7
46	5
47	2
48	3
49	4
50	3
51	5
52	4
53	5
54	0
55	4
56	3
57	4
58	5
59	3
60	1
61	1
62	5
63	1
64	2
65	2
66	0
67	6
68	3
69	0
70	4
71	5
72	2
73	4
74	5
75	1
76	2
77	0
78	0
79	3
80	10
81	0
82	3
83	0
84	2
85	4
86	0
87	3
88	0
89	0
90	6

n	a(n)
1	7
2	7
3	7
4	7
5	1
6	6
7	3
8	8
9	6
10	6
11	3
12	6
13	1
14	5
15	3
16	0
17	6
18	5
19	5
20	4
21	6
22	1
23	1
24	0
25	2
26	4
27	9
28	0
29	4
30	0
31	5
32	1
33	1
34	5
35	3
36	1
37	2
38	1
39	0
40	2
41	0
42	4
43	2
44	3
45	7
46	5
47	2
48	3
49	4
50	3
51	5
52	4
53	5
54	0
55	4
56	3
57	4
58	5
59	3
60	1
61	1
62	5
63	1
64	2
65	2
66	0
67	6
68	3
69	0
70	4
71	5
72	2
73	4
74	5
75	1
76	2
77	0
78	0
79	3
80	10
81	0
82	3
83	0
84	2
85	4
86	0
87	3
88	0
89	0
90	6