A201132 - cp's OEIS frontend

A201132 Least k such that (5^n - k)*5^n - 1 is a prime number.

n	a(n)
1	1
2	1
3	11
4	1
5	17
6	11
7	5
8	25
9	43
10	25
11	49
12	29
13	25
14	19
15	1
16	1
17	55
18	41
19	95
20	19
21	11
22	49
23	91
24	1
25	83
26	115
27	17
28	17
29	119
30	151
31	253
32	77
33	293
34	77
35	35
36	41
37	29
38	295
39	5
40	23
41	433
42	149
43	61
44	173
45	113
46	101
47	77
48	109
49	19
50	161
51	5
52	85
53	53
54	443
55	61
56	151
57	1
58	253
59	77
60	37
61	55
62	251
63	163

[1, 1, 11, 1, 17, 11, 5, 25, 43, 25, 49, 29, 25, 19, 1, 1, 55, 41, 95, 19, 11, 49, 91, 1, 83, 115, 17, 17, 119, 151, 253, 77, 293, 77, 35, 41, 29, 295, 5, 23, 433, 149, 61, 173, 113, 101, 77, 109, 19, 161, 5, 85, 53, 443, 61, 151, 1, 253, 77, 37, 55, 251, 163]

cp's OEIS Frontend

A201132 Least k such that (5^n - k)*5^n - 1 is a prime number.

Table of values

List of values

n	a(n)
1	1
2	1
3	11
4	1
5	17
6	11
7	5
8	25
9	43
10	25
11	49
12	29
13	25
14	19
15	1
16	1
17	55
18	41
19	95
20	19
21	11
22	49
23	91
24	1
25	83
26	115
27	17
28	17
29	119
30	151
31	253
32	77
33	293
34	77
35	35
36	41
37	29
38	295
39	5
40	23
41	433
42	149
43	61
44	173
45	113
46	101
47	77
48	109
49	19
50	161
51	5
52	85
53	53
54	443
55	61
56	151
57	1
58	253
59	77
60	37
61	55
62	251
63	163

n	a(n)
1	1
2	1
3	11
4	1
5	17
6	11
7	5
8	25
9	43
10	25
11	49
12	29
13	25
14	19
15	1
16	1
17	55
18	41
19	95
20	19
21	11
22	49
23	91
24	1
25	83
26	115
27	17
28	17
29	119
30	151
31	253
32	77
33	293
34	77
35	35
36	41
37	29
38	295
39	5
40	23
41	433
42	149
43	61
44	173
45	113
46	101
47	77
48	109
49	19
50	161
51	5
52	85
53	53
54	443
55	61
56	151
57	1
58	253
59	77
60	37
61	55
62	251
63	163

n	a(n)
1	1
2	1
3	11
4	1
5	17
6	11
7	5
8	25
9	43
10	25
11	49
12	29
13	25
14	19
15	1
16	1
17	55
18	41
19	95
20	19
21	11
22	49
23	91
24	1
25	83
26	115
27	17
28	17
29	119
30	151
31	253
32	77
33	293
34	77
35	35
36	41
37	29
38	295
39	5
40	23
41	433
42	149
43	61
44	173
45	113
46	101
47	77
48	109
49	19
50	161
51	5
52	85
53	53
54	443
55	61
56	151
57	1
58	253
59	77
60	37
61	55
62	251
63	163