A201133 - cp's OEIS frontend

A201133 Least k such that (5^n + k)*5^n + 1 is a prime number.

n	a(n)
1	1
2	3
3	3
4	23
5	7
6	3
7	3
8	5
9	7
10	59
11	15
12	35
13	45
14	23
15	3
16	5
17	45
18	57
19	15
20	5
21	49
22	17
23	87
24	105
25	45
26	5
27	21
28	45
29	43
30	129
31	3
32	243
33	57
34	39
35	57
36	23
37	21
38	53
39	25
40	77
41	15
42	95
43	87
44	137
45	33
46	21
47	51
48	113
49	49
50	27
51	7
52	371
53	45
54	417
55	51
56	275
57	253
58	87
59	75
60	473
61	109
62	35
63	229
64	237
65	253

[1, 3, 3, 23, 7, 3, 3, 5, 7, 59, 15, 35, 45, 23, 3, 5, 45, 57, 15, 5, 49, 17, 87, 105, 45, 5, 21, 45, 43, 129, 3, 243, 57, 39, 57, 23, 21, 53, 25, 77, 15, 95, 87, 137, 33, 21, 51, 113, 49, 27, 7, 371, 45, 417, 51, 275, 253, 87, 75, 473, 109, 35, 229, 237, 253]

cp's OEIS Frontend

A201133 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	3
3	3
4	23
5	7
6	3
7	3
8	5
9	7
10	59
11	15
12	35
13	45
14	23
15	3
16	5
17	45
18	57
19	15
20	5
21	49
22	17
23	87
24	105
25	45
26	5
27	21
28	45
29	43
30	129
31	3
32	243
33	57
34	39
35	57
36	23
37	21
38	53
39	25
40	77
41	15
42	95
43	87
44	137
45	33
46	21
47	51
48	113
49	49
50	27
51	7
52	371
53	45
54	417
55	51
56	275
57	253
58	87
59	75
60	473
61	109
62	35
63	229
64	237
65	253

n	a(n)
1	1
2	3
3	3
4	23
5	7
6	3
7	3
8	5
9	7
10	59
11	15
12	35
13	45
14	23
15	3
16	5
17	45
18	57
19	15
20	5
21	49
22	17
23	87
24	105
25	45
26	5
27	21
28	45
29	43
30	129
31	3
32	243
33	57
34	39
35	57
36	23
37	21
38	53
39	25
40	77
41	15
42	95
43	87
44	137
45	33
46	21
47	51
48	113
49	49
50	27
51	7
52	371
53	45
54	417
55	51
56	275
57	253
58	87
59	75
60	473
61	109
62	35
63	229
64	237
65	253

n	a(n)
1	1
2	3
3	3
4	23
5	7
6	3
7	3
8	5
9	7
10	59
11	15
12	35
13	45
14	23
15	3
16	5
17	45
18	57
19	15
20	5
21	49
22	17
23	87
24	105
25	45
26	5
27	21
28	45
29	43
30	129
31	3
32	243
33	57
34	39
35	57
36	23
37	21
38	53
39	25
40	77
41	15
42	95
43	87
44	137
45	33
46	21
47	51
48	113
49	49
50	27
51	7
52	371
53	45
54	417
55	51
56	275
57	253
58	87
59	75
60	473
61	109
62	35
63	229
64	237
65	253