A338833 - cp's OEIS frontend

A338833 Lexicographically earliest infinite sequence of distinct positive numbers with the property that a(n) is the smallest number m not yet in the sequence such that the binary expansions of m and a(n-1) have a 1 in the same position, but the positions of the 1's in the binary expansions of m and a(n-2) are disjoint.

n	a(n)
1	1
2	3
3	6
4	12
5	9
6	17
7	18
8	10
9	13
10	20
11	48
12	33
13	5
14	14
15	24
16	49
17	7
18	66
19	72
20	25
21	19
22	34
23	36
24	21
25	11
26	40
27	52
28	22
29	67
30	41
31	28
32	68
33	65
34	27
35	30
36	100
37	97
38	129
39	130
40	26
41	29
42	37
43	96
44	74
45	15
46	53
47	80
48	192
49	131
50	23
51	44
52	104
53	81
54	133
55	38
56	42
57	73
58	69
59	54
60	56
61	136
62	132
63	39
64	43

[1, 3, 6, 12, 9, 17, 18, 10, 13, 20, 48, 33, 5, 14, 24, 49, 7, 66, 72, 25, 19, 34, 36, 21, 11, 40, 52, 22, 67, 41, 28, 68, 65, 27, 30, 100, 97, 129, 130, 26, 29, 37, 96, 74, 15, 53, 80, 192, 131, 23, 44, 104, 81, 133, 38, 42, 73, 69, 54, 56, 136, 132, 39, 43]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	12
5	9
6	17
7	18
8	10
9	13
10	20
11	48
12	33
13	5
14	14
15	24
16	49
17	7
18	66
19	72
20	25
21	19
22	34
23	36
24	21
25	11
26	40
27	52
28	22
29	67
30	41
31	28
32	68
33	65
34	27
35	30
36	100
37	97
38	129
39	130
40	26
41	29
42	37
43	96
44	74
45	15
46	53
47	80
48	192
49	131
50	23
51	44
52	104
53	81
54	133
55	38
56	42
57	73
58	69
59	54
60	56
61	136
62	132
63	39
64	43

n	a(n)
1	1
2	3
3	6
4	12
5	9
6	17
7	18
8	10
9	13
10	20
11	48
12	33
13	5
14	14
15	24
16	49
17	7
18	66
19	72
20	25
21	19
22	34
23	36
24	21
25	11
26	40
27	52
28	22
29	67
30	41
31	28
32	68
33	65
34	27
35	30
36	100
37	97
38	129
39	130
40	26
41	29
42	37
43	96
44	74
45	15
46	53
47	80
48	192
49	131
50	23
51	44
52	104
53	81
54	133
55	38
56	42
57	73
58	69
59	54
60	56
61	136
62	132
63	39
64	43

n	a(n)
1	1
2	3
3	6
4	12
5	9
6	17
7	18
8	10
9	13
10	20
11	48
12	33
13	5
14	14
15	24
16	49
17	7
18	66
19	72
20	25
21	19
22	34
23	36
24	21
25	11
26	40
27	52
28	22
29	67
30	41
31	28
32	68
33	65
34	27
35	30
36	100
37	97
38	129
39	130
40	26
41	29
42	37
43	96
44	74
45	15
46	53
47	80
48	192
49	131
50	23
51	44
52	104
53	81
54	133
55	38
56	42
57	73
58	69
59	54
60	56
61	136
62	132
63	39
64	43