A088723 - cp's OEIS frontend

A088723 Numbers k with at least one divisor d>1 such that d+1 also divides k.

n	a(n)
1	6
2	12
3	18
4	20
5	24
6	30
7	36
8	40
9	42
10	48
11	54
12	56
13	60
14	66
15	72
16	78
17	80
18	84
19	90
20	96
21	100
22	102
23	108
24	110
25	112
26	114
27	120
28	126
29	132
30	138
31	140
32	144
33	150
34	156
35	160
36	162
37	168
38	174
39	180
40	182
41	186
42	192
43	198
44	200
45	204
46	210
47	216
48	220
49	222
50	224
51	228
52	234
53	240
54	246
55	252
56	258
57	260

[6, 12, 18, 20, 24, 30, 36, 40, 42, 48, 54, 56, 60, 66, 72, 78, 80, 84, 90, 96, 100, 102, 108, 110, 112, 114, 120, 126, 132, 138, 140, 144, 150, 156, 160, 162, 168, 174, 180, 182, 186, 192, 198, 200, 204, 210, 216, 220, 222, 224, 228, 234, 240, 246, 252, 258, 260]

cp's OEIS Frontend

A088723 Numbers k with at least one divisor d>1 such that d+1 also divides k.

Table of values

List of values

n	a(n)
1	6
2	12
3	18
4	20
5	24
6	30
7	36
8	40
9	42
10	48
11	54
12	56
13	60
14	66
15	72
16	78
17	80
18	84
19	90
20	96
21	100
22	102
23	108
24	110
25	112
26	114
27	120
28	126
29	132
30	138
31	140
32	144
33	150
34	156
35	160
36	162
37	168
38	174
39	180
40	182
41	186
42	192
43	198
44	200
45	204
46	210
47	216
48	220
49	222
50	224
51	228
52	234
53	240
54	246
55	252
56	258
57	260

n	a(n)
1	6
2	12
3	18
4	20
5	24
6	30
7	36
8	40
9	42
10	48
11	54
12	56
13	60
14	66
15	72
16	78
17	80
18	84
19	90
20	96
21	100
22	102
23	108
24	110
25	112
26	114
27	120
28	126
29	132
30	138
31	140
32	144
33	150
34	156
35	160
36	162
37	168
38	174
39	180
40	182
41	186
42	192
43	198
44	200
45	204
46	210
47	216
48	220
49	222
50	224
51	228
52	234
53	240
54	246
55	252
56	258
57	260

n	a(n)
1	6
2	12
3	18
4	20
5	24
6	30
7	36
8	40
9	42
10	48
11	54
12	56
13	60
14	66
15	72
16	78
17	80
18	84
19	90
20	96
21	100
22	102
23	108
24	110
25	112
26	114
27	120
28	126
29	132
30	138
31	140
32	144
33	150
34	156
35	160
36	162
37	168
38	174
39	180
40	182
41	186
42	192
43	198
44	200
45	204
46	210
47	216
48	220
49	222
50	224
51	228
52	234
53	240
54	246
55	252
56	258
57	260