A293427 - cp's OEIS frontend

A293427 Squarefree numbers such that there are no adjacent 0's in their binary expansions.

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	13
10	14
11	15
12	21
13	22
14	23
15	26
16	29
17	30
18	31
19	42
20	43
21	46
22	47
23	53
24	55
25	58
26	59
27	61
28	62
29	85
30	86
31	87
32	91
33	93
34	94
35	95
36	106
37	107
38	109
39	110
40	111
41	118
42	119
43	122
44	123
45	127
46	170
47	173
48	174
49	181
50	182
51	183
52	186
53	187
54	190
55	191
56	213
57	214
58	215
59	218
60	219
61	221
62	222
63	223
64	235
65	237
66	238
67	239
68	246
69	247
70	251
71	253
72	254
73	255
74	341

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 23, 26, 29, 30, 31, 42, 43, 46, 47, 53, 55, 58, 59, 61, 62, 85, 86, 87, 91, 93, 94, 95, 106, 107, 109, 110, 111, 118, 119, 122, 123, 127, 170, 173, 174, 181, 182, 183, 186, 187, 190, 191, 213, 214, 215, 218, 219, 221, 222, 223, 235, 237, 238, 239, 246, 247, 251, 253, 254, 255, 341]

cp's OEIS Frontend

A293427 Squarefree numbers such that there are no adjacent 0's in their binary expansions.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	13
10	14
11	15
12	21
13	22
14	23
15	26
16	29
17	30
18	31
19	42
20	43
21	46
22	47
23	53
24	55
25	58
26	59
27	61
28	62
29	85
30	86
31	87
32	91
33	93
34	94
35	95
36	106
37	107
38	109
39	110
40	111
41	118
42	119
43	122
44	123
45	127
46	170
47	173
48	174
49	181
50	182
51	183
52	186
53	187
54	190
55	191
56	213
57	214
58	215
59	218
60	219
61	221
62	222
63	223
64	235
65	237
66	238
67	239
68	246
69	247
70	251
71	253
72	254
73	255
74	341

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	13
10	14
11	15
12	21
13	22
14	23
15	26
16	29
17	30
18	31
19	42
20	43
21	46
22	47
23	53
24	55
25	58
26	59
27	61
28	62
29	85
30	86
31	87
32	91
33	93
34	94
35	95
36	106
37	107
38	109
39	110
40	111
41	118
42	119
43	122
44	123
45	127
46	170
47	173
48	174
49	181
50	182
51	183
52	186
53	187
54	190
55	191
56	213
57	214
58	215
59	218
60	219
61	221
62	222
63	223
64	235
65	237
66	238
67	239
68	246
69	247
70	251
71	253
72	254
73	255
74	341

n	a(n)
1	1
2	2
3	3
4	5
5	6
6	7
7	10
8	11
9	13
10	14
11	15
12	21
13	22
14	23
15	26
16	29
17	30
18	31
19	42
20	43
21	46
22	47
23	53
24	55
25	58
26	59
27	61
28	62
29	85
30	86
31	87
32	91
33	93
34	94
35	95
36	106
37	107
38	109
39	110
40	111
41	118
42	119
43	122
44	123
45	127
46	170
47	173
48	174
49	181
50	182
51	183
52	186
53	187
54	190
55	191
56	213
57	214
58	215
59	218
60	219
61	221
62	222
63	223
64	235
65	237
66	238
67	239
68	246
69	247
70	251
71	253
72	254
73	255
74	341