A282061 - cp's OEIS frontend

A282061 Lexicographically earliest sequence of distinct terms such that, for any prime p, any run of consecutive multiples of p has length exactly 2, and the terms in such a run have the same p-adic valuation.

n	a(n)
1	1
2	2
3	6
4	3
5	4
6	12
7	15
8	5
9	7
10	14
11	10
12	35
13	21
14	24
15	8
16	9
17	18
18	22
19	11
20	13
21	26
22	30
23	105
24	28
25	20
26	45
27	36
28	44
29	33
30	39
31	52
32	60
33	165
34	77
35	42
36	66
37	55
38	40
39	56
40	63
41	72
42	88
43	99
44	90
45	70
46	91
47	65
48	80
49	16
50	17
51	34
52	38
53	19
54	23
55	46
56	50
57	25
58	27
59	54
60	58
61	29
62	31
63	62
64	74
65	37
66	32
67	96

[1, 2, 6, 3, 4, 12, 15, 5, 7, 14, 10, 35, 21, 24, 8, 9, 18, 22, 11, 13, 26, 30, 105, 28, 20, 45, 36, 44, 33, 39, 52, 60, 165, 77, 42, 66, 55, 40, 56, 63, 72, 88, 99, 90, 70, 91, 65, 80, 16, 17, 34, 38, 19, 23, 46, 50, 25, 27, 54, 58, 29, 31, 62, 74, 37, 32, 96]

cp's OEIS Frontend

A282061 Lexicographically earliest sequence of distinct terms such that, for any prime p, any run of consecutive multiples of p has length exactly 2, and the terms in such a run have the same p-adic valuation.

Table of values

List of values

n	a(n)
1	1
2	2
3	6
4	3
5	4
6	12
7	15
8	5
9	7
10	14
11	10
12	35
13	21
14	24
15	8
16	9
17	18
18	22
19	11
20	13
21	26
22	30
23	105
24	28
25	20
26	45
27	36
28	44
29	33
30	39
31	52
32	60
33	165
34	77
35	42
36	66
37	55
38	40
39	56
40	63
41	72
42	88
43	99
44	90
45	70
46	91
47	65
48	80
49	16
50	17
51	34
52	38
53	19
54	23
55	46
56	50
57	25
58	27
59	54
60	58
61	29
62	31
63	62
64	74
65	37
66	32
67	96

n	a(n)
1	1
2	2
3	6
4	3
5	4
6	12
7	15
8	5
9	7
10	14
11	10
12	35
13	21
14	24
15	8
16	9
17	18
18	22
19	11
20	13
21	26
22	30
23	105
24	28
25	20
26	45
27	36
28	44
29	33
30	39
31	52
32	60
33	165
34	77
35	42
36	66
37	55
38	40
39	56
40	63
41	72
42	88
43	99
44	90
45	70
46	91
47	65
48	80
49	16
50	17
51	34
52	38
53	19
54	23
55	46
56	50
57	25
58	27
59	54
60	58
61	29
62	31
63	62
64	74
65	37
66	32
67	96

n	a(n)
1	1
2	2
3	6
4	3
5	4
6	12
7	15
8	5
9	7
10	14
11	10
12	35
13	21
14	24
15	8
16	9
17	18
18	22
19	11
20	13
21	26
22	30
23	105
24	28
25	20
26	45
27	36
28	44
29	33
30	39
31	52
32	60
33	165
34	77
35	42
36	66
37	55
38	40
39	56
40	63
41	72
42	88
43	99
44	90
45	70
46	91
47	65
48	80
49	16
50	17
51	34
52	38
53	19
54	23
55	46
56	50
57	25
58	27
59	54
60	58
61	29
62	31
63	62
64	74
65	37
66	32
67	96