A382875 - cp's OEIS frontend

A382875 Numbers which are a multiple of 2^k - 1 for some k > 1.

n	a(n)
1	0
2	3
3	6
4	7
5	9
6	12
7	14
8	15
9	18
10	21
11	24
12	27
13	28
14	30
15	31
16	33
17	35
18	36
19	39
20	42
21	45
22	48
23	49
24	51
25	54
26	56
27	57
28	60
29	62
30	63
31	66
32	69
33	70
34	72
35	75
36	77
37	78
38	81
39	84
40	87
41	90
42	91
43	93
44	96
45	98
46	99
47	102
48	105
49	108
50	111
51	112
52	114
53	117
54	119
55	120
56	123
57	124
58	126
59	127
60	129
61	132
62	133
63	135
64	138
65	140

[0, 3, 6, 7, 9, 12, 14, 15, 18, 21, 24, 27, 28, 30, 31, 33, 35, 36, 39, 42, 45, 48, 49, 51, 54, 56, 57, 60, 62, 63, 66, 69, 70, 72, 75, 77, 78, 81, 84, 87, 90, 91, 93, 96, 98, 99, 102, 105, 108, 111, 112, 114, 117, 119, 120, 123, 124, 126, 127, 129, 132, 133, 135, 138, 140]

cp's OEIS Frontend

A382875 Numbers which are a multiple of 2^k - 1 for some k > 1.

Table of values

List of values

n	a(n)
1	0
2	3
3	6
4	7
5	9
6	12
7	14
8	15
9	18
10	21
11	24
12	27
13	28
14	30
15	31
16	33
17	35
18	36
19	39
20	42
21	45
22	48
23	49
24	51
25	54
26	56
27	57
28	60
29	62
30	63
31	66
32	69
33	70
34	72
35	75
36	77
37	78
38	81
39	84
40	87
41	90
42	91
43	93
44	96
45	98
46	99
47	102
48	105
49	108
50	111
51	112
52	114
53	117
54	119
55	120
56	123
57	124
58	126
59	127
60	129
61	132
62	133
63	135
64	138
65	140

n	a(n)
1	0
2	3
3	6
4	7
5	9
6	12
7	14
8	15
9	18
10	21
11	24
12	27
13	28
14	30
15	31
16	33
17	35
18	36
19	39
20	42
21	45
22	48
23	49
24	51
25	54
26	56
27	57
28	60
29	62
30	63
31	66
32	69
33	70
34	72
35	75
36	77
37	78
38	81
39	84
40	87
41	90
42	91
43	93
44	96
45	98
46	99
47	102
48	105
49	108
50	111
51	112
52	114
53	117
54	119
55	120
56	123
57	124
58	126
59	127
60	129
61	132
62	133
63	135
64	138
65	140

n	a(n)
1	0
2	3
3	6
4	7
5	9
6	12
7	14
8	15
9	18
10	21
11	24
12	27
13	28
14	30
15	31
16	33
17	35
18	36
19	39
20	42
21	45
22	48
23	49
24	51
25	54
26	56
27	57
28	60
29	62
30	63
31	66
32	69
33	70
34	72
35	75
36	77
37	78
38	81
39	84
40	87
41	90
42	91
43	93
44	96
45	98
46	99
47	102
48	105
49	108
50	111
51	112
52	114
53	117
54	119
55	120
56	123
57	124
58	126
59	127
60	129
61	132
62	133
63	135
64	138
65	140