A091011 - cp's OEIS frontend

A091011 Numbers having at least one divisor, d, such that for some x, d-x and d+x are also divisors.

n	a(n)
1	6
2	12
3	15
4	18
5	24
6	28
7	30
8	36
9	40
10	42
11	45
12	48
13	54
14	56
15	60
16	66
17	72
18	75
19	78
20	80
21	84
22	90
23	91
24	96
25	102
26	105
27	108
28	112
29	114
30	120
31	126
32	132
33	135
34	138
35	140
36	144
37	150
38	153
39	156
40	160
41	162
42	165
43	168
44	174
45	180
46	182
47	186
48	190
49	192
50	195
51	196
52	198
53	200
54	204
55	210
56	216
57	220

[6, 12, 15, 18, 24, 28, 30, 36, 40, 42, 45, 48, 54, 56, 60, 66, 72, 75, 78, 80, 84, 90, 91, 96, 102, 105, 108, 112, 114, 120, 126, 132, 135, 138, 140, 144, 150, 153, 156, 160, 162, 165, 168, 174, 180, 182, 186, 190, 192, 195, 196, 198, 200, 204, 210, 216, 220]

cp's OEIS Frontend

A091011 Numbers having at least one divisor, d, such that for some x, d-x and d+x are also divisors.

Table of values

List of values

n	a(n)
1	6
2	12
3	15
4	18
5	24
6	28
7	30
8	36
9	40
10	42
11	45
12	48
13	54
14	56
15	60
16	66
17	72
18	75
19	78
20	80
21	84
22	90
23	91
24	96
25	102
26	105
27	108
28	112
29	114
30	120
31	126
32	132
33	135
34	138
35	140
36	144
37	150
38	153
39	156
40	160
41	162
42	165
43	168
44	174
45	180
46	182
47	186
48	190
49	192
50	195
51	196
52	198
53	200
54	204
55	210
56	216
57	220

n	a(n)
1	6
2	12
3	15
4	18
5	24
6	28
7	30
8	36
9	40
10	42
11	45
12	48
13	54
14	56
15	60
16	66
17	72
18	75
19	78
20	80
21	84
22	90
23	91
24	96
25	102
26	105
27	108
28	112
29	114
30	120
31	126
32	132
33	135
34	138
35	140
36	144
37	150
38	153
39	156
40	160
41	162
42	165
43	168
44	174
45	180
46	182
47	186
48	190
49	192
50	195
51	196
52	198
53	200
54	204
55	210
56	216
57	220

n	a(n)
1	6
2	12
3	15
4	18
5	24
6	28
7	30
8	36
9	40
10	42
11	45
12	48
13	54
14	56
15	60
16	66
17	72
18	75
19	78
20	80
21	84
22	90
23	91
24	96
25	102
26	105
27	108
28	112
29	114
30	120
31	126
32	132
33	135
34	138
35	140
36	144
37	150
38	153
39	156
40	160
41	162
42	165
43	168
44	174
45	180
46	182
47	186
48	190
49	192
50	195
51	196
52	198
53	200
54	204
55	210
56	216
57	220