A269363 - cp's OEIS frontend

A269363 Lexicographically first injection of natural numbers beginning with a(1)=3 such that for all n >= 1, a(n)*a(n+1) is a fibbinary number (A003714), i.e., has no adjacent 1's in its base-2 representation.

n	a(n)
1	3
2	6
3	7
4	12
5	11
6	15
7	22
8	24
9	14
10	19
11	27
12	38
13	28
14	23
15	46
16	48
17	43
18	30
19	39
20	35
21	59
22	44
23	31
24	75
25	62
26	87
27	51
28	83
29	56
30	47
31	88
32	54
33	76
34	55
35	96
36	86
37	60
38	71
39	67
40	70
41	78
42	112
43	79
44	107
45	102
46	91
47	120
48	139
49	118
50	140
51	119
52	142
53	131
54	134
55	155
56	240
57	156
58	135
59	152
60	108
61	95
62	92
63	103
64	179
65	184
66	115
67	147
68	224
69	94
70	175
71	123
72	150
73	111
74	158
75	214
76	163
77	203

[3, 6, 7, 12, 11, 15, 22, 24, 14, 19, 27, 38, 28, 23, 46, 48, 43, 30, 39, 35, 59, 44, 31, 75, 62, 87, 51, 83, 56, 47, 88, 54, 76, 55, 96, 86, 60, 71, 67, 70, 78, 112, 79, 107, 102, 91, 120, 139, 118, 140, 119, 142, 131, 134, 155, 240, 156, 135, 152, 108, 95, 92, 103, 179, 184, 115, 147, 224, 94, 175, 123, 150, 111, 158, 214, 163, 203]

cp's OEIS Frontend

A269363 Lexicographically first injection of natural numbers beginning with a(1)=3 such that for all n >= 1, a(n)*a(n+1) is a fibbinary number (A003714), i.e., has no adjacent 1's in its base-2 representation.

Table of values

List of values

n	a(n)
1	3
2	6
3	7
4	12
5	11
6	15
7	22
8	24
9	14
10	19
11	27
12	38
13	28
14	23
15	46
16	48
17	43
18	30
19	39
20	35
21	59
22	44
23	31
24	75
25	62
26	87
27	51
28	83
29	56
30	47
31	88
32	54
33	76
34	55
35	96
36	86
37	60
38	71
39	67
40	70
41	78
42	112
43	79
44	107
45	102
46	91
47	120
48	139
49	118
50	140
51	119
52	142
53	131
54	134
55	155
56	240
57	156
58	135
59	152
60	108
61	95
62	92
63	103
64	179
65	184
66	115
67	147
68	224
69	94
70	175
71	123
72	150
73	111
74	158
75	214
76	163
77	203

n	a(n)
1	3
2	6
3	7
4	12
5	11
6	15
7	22
8	24
9	14
10	19
11	27
12	38
13	28
14	23
15	46
16	48
17	43
18	30
19	39
20	35
21	59
22	44
23	31
24	75
25	62
26	87
27	51
28	83
29	56
30	47
31	88
32	54
33	76
34	55
35	96
36	86
37	60
38	71
39	67
40	70
41	78
42	112
43	79
44	107
45	102
46	91
47	120
48	139
49	118
50	140
51	119
52	142
53	131
54	134
55	155
56	240
57	156
58	135
59	152
60	108
61	95
62	92
63	103
64	179
65	184
66	115
67	147
68	224
69	94
70	175
71	123
72	150
73	111
74	158
75	214
76	163
77	203

n	a(n)
1	3
2	6
3	7
4	12
5	11
6	15
7	22
8	24
9	14
10	19
11	27
12	38
13	28
14	23
15	46
16	48
17	43
18	30
19	39
20	35
21	59
22	44
23	31
24	75
25	62
26	87
27	51
28	83
29	56
30	47
31	88
32	54
33	76
34	55
35	96
36	86
37	60
38	71
39	67
40	70
41	78
42	112
43	79
44	107
45	102
46	91
47	120
48	139
49	118
50	140
51	119
52	142
53	131
54	134
55	155
56	240
57	156
58	135
59	152
60	108
61	95
62	92
63	103
64	179
65	184
66	115
67	147
68	224
69	94
70	175
71	123
72	150
73	111
74	158
75	214
76	163
77	203