A356273 - cp's OEIS frontend

A356273 a(n) is the position of the least prime in the ordered set of numbers obtained by inserting/placing any digit anywhere in the digits of n (except a zero before 1st digit), or 0 if there is no prime in that set.

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

[2, 5, 1, 5, 8, 7, 1, 11, 1, 2, 1, 10, 1, 14, 7, 10, 1, 10, 1, 0, 4, 7, 4, 7, 8, 11, 1, 11, 4, 10, 1, 0, 2, 14, 11, 16, 1, 14, 1, 5, 2, 7, 8, 11, 16, 11, 3, 19, 1, 8, 1, 8, 3, 10, 17, 14, 1, 20, 3, 7, 4, 0, 1, 11, 14, 13, 1, 17, 2, 8, 2, 16, 1, 14, 13, 14, 2, 22, 1, 17]

cp's OEIS Frontend

A356273 a(n) is the position of the least prime in the ordered set of numbers obtained by inserting/placing any digit anywhere in the digits of n (except a zero before 1st digit), or 0 if there is no prime in that set.

Table of values

List of values

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

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

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