A373944 - cp's OEIS frontend

A373944 Lexicographically earliest sequence of distinct positive integers such that for A(k) <= n < A(k+1); rad(Product_{i = 1..n} a(i)) = A002110(k), where A = A002110, rad = A007947, k >= 0, n >= 1.

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	9
9	12
10	18
11	24
12	27
13	32
14	36
15	48
16	54
17	64
18	72
19	81
20	96
21	108
22	128
23	144
24	162
25	192
26	216
27	243
28	256
29	288
30	5
31	10
32	15
33	20
34	25
35	30
36	40
37	45
38	50
39	60
40	75
41	80
42	90
43	100
44	120
45	125
46	135
47	150
48	160
49	180
50	200
51	225
52	240
53	250
54	270
55	300
56	320
57	324
58	360
59	375
60	384
61	400

[1, 2, 4, 8, 16, 3, 6, 9, 12, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 5, 10, 15, 20, 25, 30, 40, 45, 50, 60, 75, 80, 90, 100, 120, 125, 135, 150, 160, 180, 200, 225, 240, 250, 270, 300, 320, 324, 360, 375, 384, 400]

cp's OEIS Frontend

A373944 Lexicographically earliest sequence of distinct positive integers such that for A(k) <= n < A(k+1); rad(Product_{i = 1..n} a(i)) = A002110(k), where A = A002110, rad = A007947, k >= 0, n >= 1.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	9
9	12
10	18
11	24
12	27
13	32
14	36
15	48
16	54
17	64
18	72
19	81
20	96
21	108
22	128
23	144
24	162
25	192
26	216
27	243
28	256
29	288
30	5
31	10
32	15
33	20
34	25
35	30
36	40
37	45
38	50
39	60
40	75
41	80
42	90
43	100
44	120
45	125
46	135
47	150
48	160
49	180
50	200
51	225
52	240
53	250
54	270
55	300
56	320
57	324
58	360
59	375
60	384
61	400

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	9
9	12
10	18
11	24
12	27
13	32
14	36
15	48
16	54
17	64
18	72
19	81
20	96
21	108
22	128
23	144
24	162
25	192
26	216
27	243
28	256
29	288
30	5
31	10
32	15
33	20
34	25
35	30
36	40
37	45
38	50
39	60
40	75
41	80
42	90
43	100
44	120
45	125
46	135
47	150
48	160
49	180
50	200
51	225
52	240
53	250
54	270
55	300
56	320
57	324
58	360
59	375
60	384
61	400

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	3
7	6
8	9
9	12
10	18
11	24
12	27
13	32
14	36
15	48
16	54
17	64
18	72
19	81
20	96
21	108
22	128
23	144
24	162
25	192
26	216
27	243
28	256
29	288
30	5
31	10
32	15
33	20
34	25
35	30
36	40
37	45
38	50
39	60
40	75
41	80
42	90
43	100
44	120
45	125
46	135
47	150
48	160
49	180
50	200
51	225
52	240
53	250
54	270
55	300
56	320
57	324
58	360
59	375
60	384
61	400