A382357 - cp's OEIS frontend

A382357 Lexicographically earliest sequence of distinct positive integers such that the 2-adic valuations of adjacent terms differ exactly by one.

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	8
7	12
8	10
9	5
10	14
11	7
12	18
13	9
14	22
15	11
16	26
17	13
18	30
19	15
20	34
21	17
22	38
23	19
24	42
25	20
26	24
27	16
28	32
29	48
30	40
31	28
32	46
33	21
34	50
35	23
36	54
37	25
38	58
39	27
40	62
41	29
42	66
43	31
44	70
45	33
46	74
47	35
48	78
49	36
50	56
51	44
52	72
53	52
54	82
55	37
56	86
57	39
58	90
59	41
60	94
61	43
62	98
63	45
64	102
65	47
66	106
67	49

[1, 2, 3, 6, 4, 8, 12, 10, 5, 14, 7, 18, 9, 22, 11, 26, 13, 30, 15, 34, 17, 38, 19, 42, 20, 24, 16, 32, 48, 40, 28, 46, 21, 50, 23, 54, 25, 58, 27, 62, 29, 66, 31, 70, 33, 74, 35, 78, 36, 56, 44, 72, 52, 82, 37, 86, 39, 90, 41, 94, 43, 98, 45, 102, 47, 106, 49]

cp's OEIS Frontend

A382357 Lexicographically earliest sequence of distinct positive integers such that the 2-adic valuations of adjacent terms differ exactly by one.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	8
7	12
8	10
9	5
10	14
11	7
12	18
13	9
14	22
15	11
16	26
17	13
18	30
19	15
20	34
21	17
22	38
23	19
24	42
25	20
26	24
27	16
28	32
29	48
30	40
31	28
32	46
33	21
34	50
35	23
36	54
37	25
38	58
39	27
40	62
41	29
42	66
43	31
44	70
45	33
46	74
47	35
48	78
49	36
50	56
51	44
52	72
53	52
54	82
55	37
56	86
57	39
58	90
59	41
60	94
61	43
62	98
63	45
64	102
65	47
66	106
67	49

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	8
7	12
8	10
9	5
10	14
11	7
12	18
13	9
14	22
15	11
16	26
17	13
18	30
19	15
20	34
21	17
22	38
23	19
24	42
25	20
26	24
27	16
28	32
29	48
30	40
31	28
32	46
33	21
34	50
35	23
36	54
37	25
38	58
39	27
40	62
41	29
42	66
43	31
44	70
45	33
46	74
47	35
48	78
49	36
50	56
51	44
52	72
53	52
54	82
55	37
56	86
57	39
58	90
59	41
60	94
61	43
62	98
63	45
64	102
65	47
66	106
67	49

n	a(n)
1	1
2	2
3	3
4	6
5	4
6	8
7	12
8	10
9	5
10	14
11	7
12	18
13	9
14	22
15	11
16	26
17	13
18	30
19	15
20	34
21	17
22	38
23	19
24	42
25	20
26	24
27	16
28	32
29	48
30	40
31	28
32	46
33	21
34	50
35	23
36	54
37	25
38	58
39	27
40	62
41	29
42	66
43	31
44	70
45	33
46	74
47	35
48	78
49	36
50	56
51	44
52	72
53	52
54	82
55	37
56	86
57	39
58	90
59	41
60	94
61	43
62	98
63	45
64	102
65	47
66	106
67	49