A356021 - cp's OEIS frontend

A356021 Positive numbers k such that, for any consecutive prime numbers p, q <= A006530(n), the p-adic and q-adic valuations of n are different.

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	9
7	10
8	12
9	16
10	18
11	20
12	21
13	24
14	27
15	32
16	40
17	45
18	48
19	50
20	54
21	63
22	64
23	72
24	75
25	80
26	81
27	84
28	90
29	96
30	100
31	108
32	110
33	126
34	128
35	135
36	144
37	147
38	160
39	162
40	168
41	189
42	192
43	200
44	220
45	243
46	250
47	256
48	270
49	273
50	288
51	300
52	320
53	324
54	336
55	350
56	360
57	375
58	378
59	384

[1, 2, 3, 4, 8, 9, 10, 12, 16, 18, 20, 21, 24, 27, 32, 40, 45, 48, 50, 54, 63, 64, 72, 75, 80, 81, 84, 90, 96, 100, 108, 110, 126, 128, 135, 144, 147, 160, 162, 168, 189, 192, 200, 220, 243, 250, 256, 270, 273, 288, 300, 320, 324, 336, 350, 360, 375, 378, 384]

cp's OEIS Frontend

A356021 Positive numbers k such that, for any consecutive prime numbers p, q <= A006530(n), the p-adic and q-adic valuations of n are different.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	9
7	10
8	12
9	16
10	18
11	20
12	21
13	24
14	27
15	32
16	40
17	45
18	48
19	50
20	54
21	63
22	64
23	72
24	75
25	80
26	81
27	84
28	90
29	96
30	100
31	108
32	110
33	126
34	128
35	135
36	144
37	147
38	160
39	162
40	168
41	189
42	192
43	200
44	220
45	243
46	250
47	256
48	270
49	273
50	288
51	300
52	320
53	324
54	336
55	350
56	360
57	375
58	378
59	384

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	9
7	10
8	12
9	16
10	18
11	20
12	21
13	24
14	27
15	32
16	40
17	45
18	48
19	50
20	54
21	63
22	64
23	72
24	75
25	80
26	81
27	84
28	90
29	96
30	100
31	108
32	110
33	126
34	128
35	135
36	144
37	147
38	160
39	162
40	168
41	189
42	192
43	200
44	220
45	243
46	250
47	256
48	270
49	273
50	288
51	300
52	320
53	324
54	336
55	350
56	360
57	375
58	378
59	384

n	a(n)
1	1
2	2
3	3
4	4
5	8
6	9
7	10
8	12
9	16
10	18
11	20
12	21
13	24
14	27
15	32
16	40
17	45
18	48
19	50
20	54
21	63
22	64
23	72
24	75
25	80
26	81
27	84
28	90
29	96
30	100
31	108
32	110
33	126
34	128
35	135
36	144
37	147
38	160
39	162
40	168
41	189
42	192
43	200
44	220
45	243
46	250
47	256
48	270
49	273
50	288
51	300
52	320
53	324
54	336
55	350
56	360
57	375
58	378
59	384