A232128 - cp's OEIS frontend

A232128 Maximal number of digits that can be appended to n such that each step yields a prime.

n	a(n)
1	9
2	7
3	7
4	6
5	7
6	6
7	7
8	2
9	3
10	10
11	1
12	6
13	6
14	4
15	3
16	2
17	3
18	5
19	8
20	0
21	3
22	5
23	6
24	6
25	5
26	5
27	6
28	2
29	6
30	2
31	3
32	0
33	7
34	5
35	6
36	5
37	6
38	3
39	1
40	11
41	1
42	4
43	5
44	4
45	1
46	7
47	3
48	4
49	6
50	4
51	0
52	5
53	0
54	6
55	4
56	4
57	6
58	2
59	6
60	7
61	5
62	0
63	4
64	2
65	3
66	3
67	5
68	2
69	5
70	4
71	4
72	1
73	6
74	2
75	4
76	4
77	1
78	7
79	1
80	4
81	4
82	10
83	1
84	0
85	5
86	1
87	6
88	5
89	0
90	1
91	4

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

cp's OEIS Frontend

A232128 Maximal number of digits that can be appended to n such that each step yields a prime.

Table of values

List of values

n	a(n)
1	9
2	7
3	7
4	6
5	7
6	6
7	7
8	2
9	3
10	10
11	1
12	6
13	6
14	4
15	3
16	2
17	3
18	5
19	8
20	0
21	3
22	5
23	6
24	6
25	5
26	5
27	6
28	2
29	6
30	2
31	3
32	0
33	7
34	5
35	6
36	5
37	6
38	3
39	1
40	11
41	1
42	4
43	5
44	4
45	1
46	7
47	3
48	4
49	6
50	4
51	0
52	5
53	0
54	6
55	4
56	4
57	6
58	2
59	6
60	7
61	5
62	0
63	4
64	2
65	3
66	3
67	5
68	2
69	5
70	4
71	4
72	1
73	6
74	2
75	4
76	4
77	1
78	7
79	1
80	4
81	4
82	10
83	1
84	0
85	5
86	1
87	6
88	5
89	0
90	1
91	4

n	a(n)
1	9
2	7
3	7
4	6
5	7
6	6
7	7
8	2
9	3
10	10
11	1
12	6
13	6
14	4
15	3
16	2
17	3
18	5
19	8
20	0
21	3
22	5
23	6
24	6
25	5
26	5
27	6
28	2
29	6
30	2
31	3
32	0
33	7
34	5
35	6
36	5
37	6
38	3
39	1
40	11
41	1
42	4
43	5
44	4
45	1
46	7
47	3
48	4
49	6
50	4
51	0
52	5
53	0
54	6
55	4
56	4
57	6
58	2
59	6
60	7
61	5
62	0
63	4
64	2
65	3
66	3
67	5
68	2
69	5
70	4
71	4
72	1
73	6
74	2
75	4
76	4
77	1
78	7
79	1
80	4
81	4
82	10
83	1
84	0
85	5
86	1
87	6
88	5
89	0
90	1
91	4

n	a(n)
1	9
2	7
3	7
4	6
5	7
6	6
7	7
8	2
9	3
10	10
11	1
12	6
13	6
14	4
15	3
16	2
17	3
18	5
19	8
20	0
21	3
22	5
23	6
24	6
25	5
26	5
27	6
28	2
29	6
30	2
31	3
32	0
33	7
34	5
35	6
36	5
37	6
38	3
39	1
40	11
41	1
42	4
43	5
44	4
45	1
46	7
47	3
48	4
49	6
50	4
51	0
52	5
53	0
54	6
55	4
56	4
57	6
58	2
59	6
60	7
61	5
62	0
63	4
64	2
65	3
66	3
67	5
68	2
69	5
70	4
71	4
72	1
73	6
74	2
75	4
76	4
77	1
78	7
79	1
80	4
81	4
82	10
83	1
84	0
85	5
86	1
87	6
88	5
89	0
90	1
91	4