A072022 - cp's OEIS frontend

A072022 Smallest x such that the number of nonprimes (i.e., 1 and composites) in the reduced residue set (RSS(x)) of x equals n, or 0 if there are no such x.

n	a(n)
1	1
2	5
3	7
4	15
5	26
6	11
7	13
8	38
9	102
10	17
11	19
12	25
13	0
14	23
15	35
16	144
17	74
18	198
19	29
20	31
21	75
22	57
23	104
24	94
25	37
26	55
27	69
28	41
29	43
30	118
31	0
32	47
33	81
34	128
35	87
36	134
37	53
38	93
39	480
40	146
41	77
42	59
43	61
44	117
45	111
46	166
47	172
48	67
49	250
50	91
51	71
52	73
53	350
54	194
55	129
56	202
57	79
58	206
59	212
60	83
61	214
62	153
63	218

[1, 5, 7, 15, 26, 11, 13, 38, 102, 17, 19, 25, 0, 23, 35, 144, 74, 198, 29, 31, 75, 57, 104, 94, 37, 55, 69, 41, 43, 118, 0, 47, 81, 128, 87, 134, 53, 93, 480, 146, 77, 59, 61, 117, 111, 166, 172, 67, 250, 91, 71, 73, 350, 194, 129, 202, 79, 206, 212, 83, 214, 153, 218]

cp's OEIS Frontend

A072022 Smallest x such that the number of nonprimes (i.e., 1 and composites) in the reduced residue set (RSS(x)) of x equals n, or 0 if there are no such x.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	15
5	26
6	11
7	13
8	38
9	102
10	17
11	19
12	25
13	0
14	23
15	35
16	144
17	74
18	198
19	29
20	31
21	75
22	57
23	104
24	94
25	37
26	55
27	69
28	41
29	43
30	118
31	0
32	47
33	81
34	128
35	87
36	134
37	53
38	93
39	480
40	146
41	77
42	59
43	61
44	117
45	111
46	166
47	172
48	67
49	250
50	91
51	71
52	73
53	350
54	194
55	129
56	202
57	79
58	206
59	212
60	83
61	214
62	153
63	218

n	a(n)
1	1
2	5
3	7
4	15
5	26
6	11
7	13
8	38
9	102
10	17
11	19
12	25
13	0
14	23
15	35
16	144
17	74
18	198
19	29
20	31
21	75
22	57
23	104
24	94
25	37
26	55
27	69
28	41
29	43
30	118
31	0
32	47
33	81
34	128
35	87
36	134
37	53
38	93
39	480
40	146
41	77
42	59
43	61
44	117
45	111
46	166
47	172
48	67
49	250
50	91
51	71
52	73
53	350
54	194
55	129
56	202
57	79
58	206
59	212
60	83
61	214
62	153
63	218

n	a(n)
1	1
2	5
3	7
4	15
5	26
6	11
7	13
8	38
9	102
10	17
11	19
12	25
13	0
14	23
15	35
16	144
17	74
18	198
19	29
20	31
21	75
22	57
23	104
24	94
25	37
26	55
27	69
28	41
29	43
30	118
31	0
32	47
33	81
34	128
35	87
36	134
37	53
38	93
39	480
40	146
41	77
42	59
43	61
44	117
45	111
46	166
47	172
48	67
49	250
50	91
51	71
52	73
53	350
54	194
55	129
56	202
57	79
58	206
59	212
60	83
61	214
62	153
63	218