A086757 - cp's OEIS frontend

A086757 Smallest prime p such that n is a palindrome in base-p representation.

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

[2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 13, 5, 3, 13, 2, 3, 2, 5, 23, 3, 2, 23, 3, 5, 29, 3, 2, 3, 31, 29, 2, 7, 2, 37, 37, 5, 41, 37, 41, 3, 5, 13, 47, 43, 2, 5, 53, 7, 53, 7, 2, 3, 59, 17, 59, 3, 5, 59, 61, 11, 67, 5, 2, 7, 2, 67, 5, 3, 71, 13, 7, 5, 2, 73, 79, 37, 79, 5, 83, 3, 83, 3, 5, 11, 2]

cp's OEIS Frontend

A086757 Smallest prime p such that n is a palindrome in base-p representation.

Table of values

List of values

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

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

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