A091013 - cp's OEIS frontend

A091013 Numbers having more than one divisor d such that for some x also d-x and d+x are divisors.

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	42
7	45
8	48
9	54
10	56
11	60
12	66
13	72
14	75
15	78
16	80
17	84
18	90
19	96
20	102
21	105
22	108
23	112
24	114
25	120
26	126
27	132
28	135
29	138
30	140
31	144
32	150
33	156
34	160
35	162
36	165
37	168
38	174
39	180
40	182
41	186
42	192
43	195
44	196
45	198
46	200
47	204
48	210
49	216
50	222
51	224
52	225
53	228
54	231
55	234
56	240

[12, 18, 24, 30, 36, 42, 45, 48, 54, 56, 60, 66, 72, 75, 78, 80, 84, 90, 96, 102, 105, 108, 112, 114, 120, 126, 132, 135, 138, 140, 144, 150, 156, 160, 162, 165, 168, 174, 180, 182, 186, 192, 195, 196, 198, 200, 204, 210, 216, 222, 224, 225, 228, 231, 234, 240]

cp's OEIS Frontend

A091013 Numbers having more than one divisor d such that for some x also d-x and d+x are divisors.

Table of values

List of values

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	42
7	45
8	48
9	54
10	56
11	60
12	66
13	72
14	75
15	78
16	80
17	84
18	90
19	96
20	102
21	105
22	108
23	112
24	114
25	120
26	126
27	132
28	135
29	138
30	140
31	144
32	150
33	156
34	160
35	162
36	165
37	168
38	174
39	180
40	182
41	186
42	192
43	195
44	196
45	198
46	200
47	204
48	210
49	216
50	222
51	224
52	225
53	228
54	231
55	234
56	240

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	42
7	45
8	48
9	54
10	56
11	60
12	66
13	72
14	75
15	78
16	80
17	84
18	90
19	96
20	102
21	105
22	108
23	112
24	114
25	120
26	126
27	132
28	135
29	138
30	140
31	144
32	150
33	156
34	160
35	162
36	165
37	168
38	174
39	180
40	182
41	186
42	192
43	195
44	196
45	198
46	200
47	204
48	210
49	216
50	222
51	224
52	225
53	228
54	231
55	234
56	240

n	a(n)
1	12
2	18
3	24
4	30
5	36
6	42
7	45
8	48
9	54
10	56
11	60
12	66
13	72
14	75
15	78
16	80
17	84
18	90
19	96
20	102
21	105
22	108
23	112
24	114
25	120
26	126
27	132
28	135
29	138
30	140
31	144
32	150
33	156
34	160
35	162
36	165
37	168
38	174
39	180
40	182
41	186
42	192
43	195
44	196
45	198
46	200
47	204
48	210
49	216
50	222
51	224
52	225
53	228
54	231
55	234
56	240