A355413 - cp's OEIS frontend

A355413 Lexicographically earliest infinite sequence of positive numbers such that, for n>1, a(n) AND a(n-1) is distinct from all previous AND operations between adjacent terms, where AND is the binary AND operator.

n	a(n)
0	0
1	1
2	3
3	3
4	6
5	5
6	7
7	7
8	14
9	9
10	11
11	11
12	14
13	13
14	15
15	15
16	30
17	17
18	19
19	19
20	22
21	21
22	23
23	23
24	30
25	25
26	27
27	27
28	30
29	29
30	31
31	31
32	62
33	33
34	35
35	35
36	38
37	37
38	39
39	39
40	46
41	41
42	43
43	43
44	46
45	45
46	47
47	47
48	62
49	49
50	51
51	51
52	54
53	53
54	55
55	55
56	62
57	57
58	59
59	59
60	62
61	61
62	63
63	63
64	126
65	65
66	67
67	67
68	70
69	69
70	71
71	71
72	78
73	73
74	75
75	75

[0, 1, 3, 3, 6, 5, 7, 7, 14, 9, 11, 11, 14, 13, 15, 15, 30, 17, 19, 19, 22, 21, 23, 23, 30, 25, 27, 27, 30, 29, 31, 31, 62, 33, 35, 35, 38, 37, 39, 39, 46, 41, 43, 43, 46, 45, 47, 47, 62, 49, 51, 51, 54, 53, 55, 55, 62, 57, 59, 59, 62, 61, 63, 63, 126, 65, 67, 67, 70, 69, 71, 71, 78, 73, 75, 75]

cp's OEIS Frontend

A355413 Lexicographically earliest infinite sequence of positive numbers such that, for n>1, a(n) AND a(n-1) is distinct from all previous AND operations between adjacent terms, where AND is the binary AND operator.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	3
4	6
5	5
6	7
7	7
8	14
9	9
10	11
11	11
12	14
13	13
14	15
15	15
16	30
17	17
18	19
19	19
20	22
21	21
22	23
23	23
24	30
25	25
26	27
27	27
28	30
29	29
30	31
31	31
32	62
33	33
34	35
35	35
36	38
37	37
38	39
39	39
40	46
41	41
42	43
43	43
44	46
45	45
46	47
47	47
48	62
49	49
50	51
51	51
52	54
53	53
54	55
55	55
56	62
57	57
58	59
59	59
60	62
61	61
62	63
63	63
64	126
65	65
66	67
67	67
68	70
69	69
70	71
71	71
72	78
73	73
74	75
75	75

n	a(n)
0	0
1	1
2	3
3	3
4	6
5	5
6	7
7	7
8	14
9	9
10	11
11	11
12	14
13	13
14	15
15	15
16	30
17	17
18	19
19	19
20	22
21	21
22	23
23	23
24	30
25	25
26	27
27	27
28	30
29	29
30	31
31	31
32	62
33	33
34	35
35	35
36	38
37	37
38	39
39	39
40	46
41	41
42	43
43	43
44	46
45	45
46	47
47	47
48	62
49	49
50	51
51	51
52	54
53	53
54	55
55	55
56	62
57	57
58	59
59	59
60	62
61	61
62	63
63	63
64	126
65	65
66	67
67	67
68	70
69	69
70	71
71	71
72	78
73	73
74	75
75	75

n	a(n)
0	0
1	1
2	3
3	3
4	6
5	5
6	7
7	7
8	14
9	9
10	11
11	11
12	14
13	13
14	15
15	15
16	30
17	17
18	19
19	19
20	22
21	21
22	23
23	23
24	30
25	25
26	27
27	27
28	30
29	29
30	31
31	31
32	62
33	33
34	35
35	35
36	38
37	37
38	39
39	39
40	46
41	41
42	43
43	43
44	46
45	45
46	47
47	47
48	62
49	49
50	51
51	51
52	54
53	53
54	55
55	55
56	62
57	57
58	59
59	59
60	62
61	61
62	63
63	63
64	126
65	65
66	67
67	67
68	70
69	69
70	71
71	71
72	78
73	73
74	75
75	75