A338823 - cp's OEIS frontend

A338823 Lexicographically earliest sequence of positive integers such that for any distinct m and n, a(m) OR a(m+1) <> a(n) OR a(n+1) (where OR denotes the bitwise OR operator).

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

[1, 1, 2, 2, 4, 1, 6, 8, 1, 10, 2, 13, 1, 16, 2, 17, 4, 4, 8, 8, 16, 4, 18, 5, 24, 1, 26, 2, 28, 3, 32, 1, 36, 2, 32, 4, 24, 32, 7, 40, 1, 42, 2, 44, 1, 48, 2, 49, 4, 40, 8, 49, 6, 48, 4, 56, 2, 57, 4, 58, 5, 64, 1, 66, 2, 68, 3, 72, 1, 76, 2, 72, 4, 64, 8, 71]

cp's OEIS Frontend

A338823 Lexicographically earliest sequence of positive integers such that for any distinct m and n, a(m) OR a(m+1) <> a(n) OR a(n+1) (where OR denotes the bitwise OR operator).

Table of values

List of values

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

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

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