A125718 - cp's OEIS frontend

A125718 a(1)=1. a(n) = the smallest positive integer not occurring earlier in the sequence such that the n-th prime is congruent to a(n) (mod n).

n	a(n)
1	1
2	3
3	2
4	7
5	6
6	13
7	10
8	11
9	5
10	9
11	20
12	25
13	15
14	29
15	17
16	21
17	8
18	43
19	48
20	31
21	52
22	35
23	14
24	41
25	22
26	23
27	49
28	51
29	80
30	53
31	34
32	67
33	38
34	37
35	44
36	79
37	46
38	87
39	50
40	93
41	56
42	55
43	19
44	61
45	62
46	107
47	70
48	127
49	129
50	179
51	131
52	83
53	82
54	89
55	92
56	39
57	98
58	97
59	100
60	101
61	161
62	45
63	118
64	119
65	183
66	185
67	63
68	65

[1, 3, 2, 7, 6, 13, 10, 11, 5, 9, 20, 25, 15, 29, 17, 21, 8, 43, 48, 31, 52, 35, 14, 41, 22, 23, 49, 51, 80, 53, 34, 67, 38, 37, 44, 79, 46, 87, 50, 93, 56, 55, 19, 61, 62, 107, 70, 127, 129, 179, 131, 83, 82, 89, 92, 39, 98, 97, 100, 101, 161, 45, 118, 119, 183, 185, 63, 65]

cp's OEIS Frontend

A125718 a(1)=1. a(n) = the smallest positive integer not occurring earlier in the sequence such that the n-th prime is congruent to a(n) (mod n).

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	7
5	6
6	13
7	10
8	11
9	5
10	9
11	20
12	25
13	15
14	29
15	17
16	21
17	8
18	43
19	48
20	31
21	52
22	35
23	14
24	41
25	22
26	23
27	49
28	51
29	80
30	53
31	34
32	67
33	38
34	37
35	44
36	79
37	46
38	87
39	50
40	93
41	56
42	55
43	19
44	61
45	62
46	107
47	70
48	127
49	129
50	179
51	131
52	83
53	82
54	89
55	92
56	39
57	98
58	97
59	100
60	101
61	161
62	45
63	118
64	119
65	183
66	185
67	63
68	65

n	a(n)
1	1
2	3
3	2
4	7
5	6
6	13
7	10
8	11
9	5
10	9
11	20
12	25
13	15
14	29
15	17
16	21
17	8
18	43
19	48
20	31
21	52
22	35
23	14
24	41
25	22
26	23
27	49
28	51
29	80
30	53
31	34
32	67
33	38
34	37
35	44
36	79
37	46
38	87
39	50
40	93
41	56
42	55
43	19
44	61
45	62
46	107
47	70
48	127
49	129
50	179
51	131
52	83
53	82
54	89
55	92
56	39
57	98
58	97
59	100
60	101
61	161
62	45
63	118
64	119
65	183
66	185
67	63
68	65

n	a(n)
1	1
2	3
3	2
4	7
5	6
6	13
7	10
8	11
9	5
10	9
11	20
12	25
13	15
14	29
15	17
16	21
17	8
18	43
19	48
20	31
21	52
22	35
23	14
24	41
25	22
26	23
27	49
28	51
29	80
30	53
31	34
32	67
33	38
34	37
35	44
36	79
37	46
38	87
39	50
40	93
41	56
42	55
43	19
44	61
45	62
46	107
47	70
48	127
49	129
50	179
51	131
52	83
53	82
54	89
55	92
56	39
57	98
58	97
59	100
60	101
61	161
62	45
63	118
64	119
65	183
66	185
67	63
68	65