A111356 - cp's OEIS frontend

A111356 Numbers n such that the number of numbers "unrelated to n" is itself unrelated to n.

n	a(n)
1	21
2	24
3	27
4	36
5	39
6	57
7	60
8	64
9	66
10	75
11	77
12	84
13	90
14	93
15	95
16	100
17	102
18	105
19	111
20	129
21	130
22	132
23	138
24	144
25	145
26	150
27	160
28	162
29	165
30	168
31	174
32	175
33	180
34	183
35	196
36	201
37	204
38	210
39	216
40	219
41	221
42	230
43	237
44	246
45	255
46	256
47	270
48	275
49	276
50	282
51	291
52	295
53	297
54	309
55	312

[21, 24, 27, 36, 39, 57, 60, 64, 66, 75, 77, 84, 90, 93, 95, 100, 102, 105, 111, 129, 130, 132, 138, 144, 145, 150, 160, 162, 165, 168, 174, 175, 180, 183, 196, 201, 204, 210, 216, 219, 221, 230, 237, 246, 255, 256, 270, 275, 276, 282, 291, 295, 297, 309, 312]

cp's OEIS Frontend

A111356 Numbers n such that the number of numbers "unrelated to n" is itself unrelated to n.

Table of values

List of values

n	a(n)
1	21
2	24
3	27
4	36
5	39
6	57
7	60
8	64
9	66
10	75
11	77
12	84
13	90
14	93
15	95
16	100
17	102
18	105
19	111
20	129
21	130
22	132
23	138
24	144
25	145
26	150
27	160
28	162
29	165
30	168
31	174
32	175
33	180
34	183
35	196
36	201
37	204
38	210
39	216
40	219
41	221
42	230
43	237
44	246
45	255
46	256
47	270
48	275
49	276
50	282
51	291
52	295
53	297
54	309
55	312

n	a(n)
1	21
2	24
3	27
4	36
5	39
6	57
7	60
8	64
9	66
10	75
11	77
12	84
13	90
14	93
15	95
16	100
17	102
18	105
19	111
20	129
21	130
22	132
23	138
24	144
25	145
26	150
27	160
28	162
29	165
30	168
31	174
32	175
33	180
34	183
35	196
36	201
37	204
38	210
39	216
40	219
41	221
42	230
43	237
44	246
45	255
46	256
47	270
48	275
49	276
50	282
51	291
52	295
53	297
54	309
55	312

n	a(n)
1	21
2	24
3	27
4	36
5	39
6	57
7	60
8	64
9	66
10	75
11	77
12	84
13	90
14	93
15	95
16	100
17	102
18	105
19	111
20	129
21	130
22	132
23	138
24	144
25	145
26	150
27	160
28	162
29	165
30	168
31	174
32	175
33	180
34	183
35	196
36	201
37	204
38	210
39	216
40	219
41	221
42	230
43	237
44	246
45	255
46	256
47	270
48	275
49	276
50	282
51	291
52	295
53	297
54	309
55	312