A226077 - cp's OEIS frontend

A226077 a(1)=1; a(n) = smallest positive integer not yet in the sequence, such that a(n) and a(n-1) have exactly one common 1-bit in their binary representations.

n	a(n)
1	1
2	3
3	2
4	6
5	4
6	5
7	9
8	7
9	10
10	8
11	11
12	12
13	20
14	13
15	17
16	15
17	18
18	14
19	19
20	16
21	21
22	24
23	22
24	25
25	33
26	23
27	34
28	26
29	35
30	29
31	36
32	28
33	37
34	27
35	38
36	32
37	39
38	40
39	30
40	41
41	48
42	31
43	65
44	43
45	52
46	42
47	49
48	44
49	50
50	45
51	67
52	46
53	66
54	47
55	68
56	53
57	70
58	51
59	69
60	54
61	74
62	55
63	73
64	56
65	72
66	57
67	71
68	58
69	76
70	59
71	80
72	60
73	75
74	64
75	77
76	82
77	61
78	96
79	62
80	81
81	78
82	97
83	84
84	98
85	85
86	104
87	83
88	100
89	88

[1, 3, 2, 6, 4, 5, 9, 7, 10, 8, 11, 12, 20, 13, 17, 15, 18, 14, 19, 16, 21, 24, 22, 25, 33, 23, 34, 26, 35, 29, 36, 28, 37, 27, 38, 32, 39, 40, 30, 41, 48, 31, 65, 43, 52, 42, 49, 44, 50, 45, 67, 46, 66, 47, 68, 53, 70, 51, 69, 54, 74, 55, 73, 56, 72, 57, 71, 58, 76, 59, 80, 60, 75, 64, 77, 82, 61, 96, 62, 81, 78, 97, 84, 98, 85, 104, 83, 100, 88]

cp's OEIS Frontend

A226077 a(1)=1; a(n) = smallest positive integer not yet in the sequence, such that a(n) and a(n-1) have exactly one common 1-bit in their binary representations.

Table of values

List of values

n	a(n)
1	1
2	3
3	2
4	6
5	4
6	5
7	9
8	7
9	10
10	8
11	11
12	12
13	20
14	13
15	17
16	15
17	18
18	14
19	19
20	16
21	21
22	24
23	22
24	25
25	33
26	23
27	34
28	26
29	35
30	29
31	36
32	28
33	37
34	27
35	38
36	32
37	39
38	40
39	30
40	41
41	48
42	31
43	65
44	43
45	52
46	42
47	49
48	44
49	50
50	45
51	67
52	46
53	66
54	47
55	68
56	53
57	70
58	51
59	69
60	54
61	74
62	55
63	73
64	56
65	72
66	57
67	71
68	58
69	76
70	59
71	80
72	60
73	75
74	64
75	77
76	82
77	61
78	96
79	62
80	81
81	78
82	97
83	84
84	98
85	85
86	104
87	83
88	100
89	88

n	a(n)
1	1
2	3
3	2
4	6
5	4
6	5
7	9
8	7
9	10
10	8
11	11
12	12
13	20
14	13
15	17
16	15
17	18
18	14
19	19
20	16
21	21
22	24
23	22
24	25
25	33
26	23
27	34
28	26
29	35
30	29
31	36
32	28
33	37
34	27
35	38
36	32
37	39
38	40
39	30
40	41
41	48
42	31
43	65
44	43
45	52
46	42
47	49
48	44
49	50
50	45
51	67
52	46
53	66
54	47
55	68
56	53
57	70
58	51
59	69
60	54
61	74
62	55
63	73
64	56
65	72
66	57
67	71
68	58
69	76
70	59
71	80
72	60
73	75
74	64
75	77
76	82
77	61
78	96
79	62
80	81
81	78
82	97
83	84
84	98
85	85
86	104
87	83
88	100
89	88

n	a(n)
1	1
2	3
3	2
4	6
5	4
6	5
7	9
8	7
9	10
10	8
11	11
12	12
13	20
14	13
15	17
16	15
17	18
18	14
19	19
20	16
21	21
22	24
23	22
24	25
25	33
26	23
27	34
28	26
29	35
30	29
31	36
32	28
33	37
34	27
35	38
36	32
37	39
38	40
39	30
40	41
41	48
42	31
43	65
44	43
45	52
46	42
47	49
48	44
49	50
50	45
51	67
52	46
53	66
54	47
55	68
56	53
57	70
58	51
59	69
60	54
61	74
62	55
63	73
64	56
65	72
66	57
67	71
68	58
69	76
70	59
71	80
72	60
73	75
74	64
75	77
76	82
77	61
78	96
79	62
80	81
81	78
82	97
83	84
84	98
85	85
86	104
87	83
88	100
89	88