A242754 - cp's OEIS frontend

A242754 Positive integers k such that k*p == 1 (mod prime(k)) for some prime p < prime(k).

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	10
7	11
8	13
9	17
10	18
11	21
12	31
13	37
14	40
15	41
16	46
17	48
18	49
19	52
20	53
21	58
22	60
23	64
24	66
25	70
26	71
27	72
28	73
29	75
30	81
31	85
32	92
33	93
34	96
35	100
36	102
37	109
38	117
39	119
40	127
41	136
42	137
43	140
44	143
45	145
46	146
47	149
48	160
49	162
50	179
51	189
52	194
53	200
54	206
55	215
56	232
57	233
58	243
59	246
60	247

[2, 3, 4, 6, 7, 10, 11, 13, 17, 18, 21, 31, 37, 40, 41, 46, 48, 49, 52, 53, 58, 60, 64, 66, 70, 71, 72, 73, 75, 81, 85, 92, 93, 96, 100, 102, 109, 117, 119, 127, 136, 137, 140, 143, 145, 146, 149, 160, 162, 179, 189, 194, 200, 206, 215, 232, 233, 243, 246, 247]

cp's OEIS Frontend

A242754 Positive integers k such that k*p == 1 (mod prime(k)) for some prime p < prime(k).

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	10
7	11
8	13
9	17
10	18
11	21
12	31
13	37
14	40
15	41
16	46
17	48
18	49
19	52
20	53
21	58
22	60
23	64
24	66
25	70
26	71
27	72
28	73
29	75
30	81
31	85
32	92
33	93
34	96
35	100
36	102
37	109
38	117
39	119
40	127
41	136
42	137
43	140
44	143
45	145
46	146
47	149
48	160
49	162
50	179
51	189
52	194
53	200
54	206
55	215
56	232
57	233
58	243
59	246
60	247

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	10
7	11
8	13
9	17
10	18
11	21
12	31
13	37
14	40
15	41
16	46
17	48
18	49
19	52
20	53
21	58
22	60
23	64
24	66
25	70
26	71
27	72
28	73
29	75
30	81
31	85
32	92
33	93
34	96
35	100
36	102
37	109
38	117
39	119
40	127
41	136
42	137
43	140
44	143
45	145
46	146
47	149
48	160
49	162
50	179
51	189
52	194
53	200
54	206
55	215
56	232
57	233
58	243
59	246
60	247

n	a(n)
1	2
2	3
3	4
4	6
5	7
6	10
7	11
8	13
9	17
10	18
11	21
12	31
13	37
14	40
15	41
16	46
17	48
18	49
19	52
20	53
21	58
22	60
23	64
24	66
25	70
26	71
27	72
28	73
29	75
30	81
31	85
32	92
33	93
34	96
35	100
36	102
37	109
38	117
39	119
40	127
41	136
42	137
43	140
44	143
45	145
46	146
47	149
48	160
49	162
50	179
51	189
52	194
53	200
54	206
55	215
56	232
57	233
58	243
59	246
60	247