A267117 - cp's OEIS frontend

A267117 Numbers m such that in their prime factorization m = p_1^e_1 * ... * p_k^e_k, there is no digit-position in the base-2 representation of the exponents e_1 .. e_k such that in that position all those exponents would have 1-bit.

n	a(n)
1	1
2	12
3	18
4	20
5	28
6	44
7	45
8	48
9	50
10	52
11	60
12	63
13	68
14	75
15	76
16	80
17	84
18	90
19	92
20	98
21	99
22	112
23	116
24	117
25	124
26	126
27	132
28	140
29	144
30	147
31	148
32	150
33	153
34	156
35	162
36	164
37	171
38	172
39	175
40	176
41	180
42	188
43	192
44	198
45	204
46	207
47	208
48	212
49	220
50	228
51	234
52	236
53	240
54	242
55	244
56	245
57	252
58	260
59	261
60	268
61	272
62	275
63	276
64	279
65	284
66	288
67	292
68	294
69	300

[1, 12, 18, 20, 28, 44, 45, 48, 50, 52, 60, 63, 68, 75, 76, 80, 84, 90, 92, 98, 99, 112, 116, 117, 124, 126, 132, 140, 144, 147, 148, 150, 153, 156, 162, 164, 171, 172, 175, 176, 180, 188, 192, 198, 204, 207, 208, 212, 220, 228, 234, 236, 240, 242, 244, 245, 252, 260, 261, 268, 272, 275, 276, 279, 284, 288, 292, 294, 300]

cp's OEIS Frontend

A267117 Numbers m such that in their prime factorization m = p_1^e_1 * ... * p_k^e_k, there is no digit-position in the base-2 representation of the exponents e_1 .. e_k such that in that position all those exponents would have 1-bit.

Table of values

List of values

n	a(n)
1	1
2	12
3	18
4	20
5	28
6	44
7	45
8	48
9	50
10	52
11	60
12	63
13	68
14	75
15	76
16	80
17	84
18	90
19	92
20	98
21	99
22	112
23	116
24	117
25	124
26	126
27	132
28	140
29	144
30	147
31	148
32	150
33	153
34	156
35	162
36	164
37	171
38	172
39	175
40	176
41	180
42	188
43	192
44	198
45	204
46	207
47	208
48	212
49	220
50	228
51	234
52	236
53	240
54	242
55	244
56	245
57	252
58	260
59	261
60	268
61	272
62	275
63	276
64	279
65	284
66	288
67	292
68	294
69	300

n	a(n)
1	1
2	12
3	18
4	20
5	28
6	44
7	45
8	48
9	50
10	52
11	60
12	63
13	68
14	75
15	76
16	80
17	84
18	90
19	92
20	98
21	99
22	112
23	116
24	117
25	124
26	126
27	132
28	140
29	144
30	147
31	148
32	150
33	153
34	156
35	162
36	164
37	171
38	172
39	175
40	176
41	180
42	188
43	192
44	198
45	204
46	207
47	208
48	212
49	220
50	228
51	234
52	236
53	240
54	242
55	244
56	245
57	252
58	260
59	261
60	268
61	272
62	275
63	276
64	279
65	284
66	288
67	292
68	294
69	300

n	a(n)
1	1
2	12
3	18
4	20
5	28
6	44
7	45
8	48
9	50
10	52
11	60
12	63
13	68
14	75
15	76
16	80
17	84
18	90
19	92
20	98
21	99
22	112
23	116
24	117
25	124
26	126
27	132
28	140
29	144
30	147
31	148
32	150
33	153
34	156
35	162
36	164
37	171
38	172
39	175
40	176
41	180
42	188
43	192
44	198
45	204
46	207
47	208
48	212
49	220
50	228
51	234
52	236
53	240
54	242
55	244
56	245
57	252
58	260
59	261
60	268
61	272
62	275
63	276
64	279
65	284
66	288
67	292
68	294
69	300