A383342 - cp's OEIS frontend

A383342 Lexicographically earliest infinite sequence of distinct positive integers such that the number following any consecutive pair x, y of terms is the smallest novel number divisible by R(x,y) = rad(x*y)/rad(gcd(x,y)).

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	8
7	9
8	12
9	10
10	15
11	18
12	20
13	30
14	21
15	70
16	60
17	42
18	35
19	90
20	84
21	105
22	40
23	126
24	210
25	5
26	168
27	420
28	25
29	252
30	630
31	45
32	14
33	840
34	75
35	28
36	1050
37	120
38	7
39	1260
40	150
41	49
42	1470
43	180
44	56
45	315
46	240
47	98
48	525
49	270
50	112
51	735
52	300
53	140
54	63
55	330
56	770
57	147
58	660
59	1540
60	189

[1, 2, 4, 3, 6, 8, 9, 12, 10, 15, 18, 20, 30, 21, 70, 60, 42, 35, 90, 84, 105, 40, 126, 210, 5, 168, 420, 25, 252, 630, 45, 14, 840, 75, 28, 1050, 120, 7, 1260, 150, 49, 1470, 180, 56, 315, 240, 98, 525, 270, 112, 735, 300, 140, 63, 330, 770, 147, 660, 1540, 189]

cp's OEIS Frontend

A383342 Lexicographically earliest infinite sequence of distinct positive integers such that the number following any consecutive pair x, y of terms is the smallest novel number divisible by R(x,y) = rad(x*y)/rad(gcd(x,y)).

Table of values

List of values