A355435 - cp's OEIS frontend

A355435 Lexicographically earliest sequence of distinct positive integers such that for any n > 1, a(n) is a multiple of a(A080079(n-1)).

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	10
8	5
9	15
10	20
11	16
12	12
13	9
14	24
15	14
16	7
17	21
18	28
19	48
20	18
21	36
22	32
23	40
24	30
25	25
26	50
27	56
28	42
29	27
30	44
31	22
32	11
33	33
34	66
35	88
36	54
37	84
38	112
39	100
40	75
41	60
42	80
43	64
44	72
45	90
46	96
47	140
48	63
49	35
50	70
51	120
52	45
53	108
54	128
55	160
56	105
57	55
58	110
59	104
60	78
61	39
62	52
63	26
64	13

[1, 2, 4, 3, 6, 8, 10, 5, 15, 20, 16, 12, 9, 24, 14, 7, 21, 28, 48, 18, 36, 32, 40, 30, 25, 50, 56, 42, 27, 44, 22, 11, 33, 66, 88, 54, 84, 112, 100, 75, 60, 80, 64, 72, 90, 96, 140, 63, 35, 70, 120, 45, 108, 128, 160, 105, 55, 110, 104, 78, 39, 52, 26, 13]

cp's OEIS Frontend

A355435 Lexicographically earliest sequence of distinct positive integers such that for any n > 1, a(n) is a multiple of a(A080079(n-1)).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	10
8	5
9	15
10	20
11	16
12	12
13	9
14	24
15	14
16	7
17	21
18	28
19	48
20	18
21	36
22	32
23	40
24	30
25	25
26	50
27	56
28	42
29	27
30	44
31	22
32	11
33	33
34	66
35	88
36	54
37	84
38	112
39	100
40	75
41	60
42	80
43	64
44	72
45	90
46	96
47	140
48	63
49	35
50	70
51	120
52	45
53	108
54	128
55	160
56	105
57	55
58	110
59	104
60	78
61	39
62	52
63	26
64	13

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	10
8	5
9	15
10	20
11	16
12	12
13	9
14	24
15	14
16	7
17	21
18	28
19	48
20	18
21	36
22	32
23	40
24	30
25	25
26	50
27	56
28	42
29	27
30	44
31	22
32	11
33	33
34	66
35	88
36	54
37	84
38	112
39	100
40	75
41	60
42	80
43	64
44	72
45	90
46	96
47	140
48	63
49	35
50	70
51	120
52	45
53	108
54	128
55	160
56	105
57	55
58	110
59	104
60	78
61	39
62	52
63	26
64	13

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	10
8	5
9	15
10	20
11	16
12	12
13	9
14	24
15	14
16	7
17	21
18	28
19	48
20	18
21	36
22	32
23	40
24	30
25	25
26	50
27	56
28	42
29	27
30	44
31	22
32	11
33	33
34	66
35	88
36	54
37	84
38	112
39	100
40	75
41	60
42	80
43	64
44	72
45	90
46	96
47	140
48	63
49	35
50	70
51	120
52	45
53	108
54	128
55	160
56	105
57	55
58	110
59	104
60	78
61	39
62	52
63	26
64	13