A101115 - cp's OEIS frontend

A101115 Beginning with the n-th prime, the number of successive times a new prime can be formed by prepending the smallest nonzero digit.

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

[0, 5, 0, 9, 5, 4, 8, 4, 5, 9, 4, 6, 2, 7, 6, 8, 9, 7, 6, 3, 14, 5, 5, 2, 4, 10, 1, 5, 7, 3, 4, 3, 5, 5, 0, 6, 5, 8, 5, 13, 4, 5, 4, 5, 3, 8, 4, 4, 5, 8, 3, 6, 1, 4, 4, 2, 5, 2, 2, 3, 4, 9, 8, 7, 4, 7, 3, 3, 5, 5, 7, 8, 4, 3, 3, 2, 1, 7, 0, 4, 3, 5, 3, 7, 9, 6, 6, 5, 6, 8]

cp's OEIS Frontend

A101115 Beginning with the n-th prime, the number of successive times a new prime can be formed by prepending the smallest nonzero digit.

Table of values

List of values

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

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

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