A266191 - cp's OEIS frontend

A266191 Sequence beginning with a(1)=1, a(2)=2, a(3)=3 and then after each new term a(n) is selected as the least unused number for which a(n)a(n-1)a(n-2) is a fibbinary number (A003714), i.e., has no adjacent 1's in its base-2 representation.

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	7
7	12
8	8
9	11
10	15
11	16
12	22
13	24
14	5
15	39
16	14
17	10
18	59
19	28
20	20
21	67
22	31
23	9
24	63
25	19
26	18
27	27
28	38
29	17
30	54
31	47
32	34
33	44
34	51
35	33
36	88
37	30
38	32
39	43
40	48
41	21
42	86
43	23
44	42
45	35
46	46
47	84
48	70
49	91
50	168
51	71
52	55
53	36
54	75
55	99
56	40
57	135
58	110
59	41
60	60
61	111
62	80
63	120
64	62
65	160
66	134
67	56
68	141
69	76
70	112
71	64
72	78
73	119
74	113
75	103
76	183
77	37
78	167
79	366
80	73

[1, 2, 3, 6, 4, 7, 12, 8, 11, 15, 16, 22, 24, 5, 39, 14, 10, 59, 28, 20, 67, 31, 9, 63, 19, 18, 27, 38, 17, 54, 47, 34, 44, 51, 33, 88, 30, 32, 43, 48, 21, 86, 23, 42, 35, 46, 84, 70, 91, 168, 71, 55, 36, 75, 99, 40, 135, 110, 41, 60, 111, 80, 120, 62, 160, 134, 56, 141, 76, 112, 64, 78, 119, 113, 103, 183, 37, 167, 366, 73]

cp's OEIS Frontend

A266191 Sequence beginning with a(1)=1, a(2)=2, a(3)=3 and then after each new term a(n) is selected as the least unused number for which a(n)a(n-1)a(n-2) 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	1
2	2
3	3
4	6
5	4
6	7
7	12
8	8
9	11
10	15
11	16
12	22
13	24
14	5
15	39
16	14
17	10
18	59
19	28
20	20
21	67
22	31
23	9
24	63
25	19
26	18
27	27
28	38
29	17
30	54
31	47
32	34
33	44
34	51
35	33
36	88
37	30
38	32
39	43
40	48
41	21
42	86
43	23
44	42
45	35
46	46
47	84
48	70
49	91
50	168
51	71
52	55
53	36
54	75
55	99
56	40
57	135
58	110
59	41
60	60
61	111
62	80
63	120
64	62
65	160
66	134
67	56
68	141
69	76
70	112
71	64
72	78
73	119
74	113
75	103
76	183
77	37
78	167
79	366
80	73

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	7
7	12
8	8
9	11
10	15
11	16
12	22
13	24
14	5
15	39
16	14
17	10
18	59
19	28
20	20
21	67
22	31
23	9
24	63
25	19
26	18
27	27
28	38
29	17
30	54
31	47
32	34
33	44
34	51
35	33
36	88
37	30
38	32
39	43
40	48
41	21
42	86
43	23
44	42
45	35
46	46
47	84
48	70
49	91
50	168
51	71
52	55
53	36
54	75
55	99
56	40
57	135
58	110
59	41
60	60
61	111
62	80
63	120
64	62
65	160
66	134
67	56
68	141
69	76
70	112
71	64
72	78
73	119
74	113
75	103
76	183
77	37
78	167
79	366
80	73

cp's OEIS Frontend

A266191 Sequence beginning with a(1)=1, a(2)=2, a(3)=3 and then after each new term a(n) is selected as the least unused number for which a(n)*a(n-1)*a(n-2) is a fibbinary number (A003714), i.e., has no adjacent 1's in its base-2 representation.

Table of values

List of values

A266191 Sequence beginning with a(1)=1, a(2)=2, a(3)=3 and then after each new term a(n) is selected as the least unused number for which a(n)a(n-1)a(n-2) is a fibbinary number (A003714), i.e., has no adjacent 1's in its base-2 representation.

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	7
7	12
8	8
9	11
10	15
11	16
12	22
13	24
14	5
15	39
16	14
17	10
18	59
19	28
20	20
21	67
22	31
23	9
24	63
25	19
26	18
27	27
28	38
29	17
30	54
31	47
32	34
33	44
34	51
35	33
36	88
37	30
38	32
39	43
40	48
41	21
42	86
43	23
44	42
45	35
46	46
47	84
48	70
49	91
50	168
51	71
52	55
53	36
54	75
55	99
56	40
57	135
58	110
59	41
60	60
61	111
62	80
63	120
64	62
65	160
66	134
67	56
68	141
69	76
70	112
71	64
72	78
73	119
74	113
75	103
76	183
77	37
78	167
79	366
80	73