A375399 - cp's OEIS frontend

A375399 Numbers k such that the minima of maximal anti-runs in the weakly increasing sequence of prime factors of k (with multiplicity) are not distinct.

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	20
7	24
8	25
9	27
10	28
11	32
12	36
13	40
14	44
15	45
16	48
17	49
18	52
19	54
20	56
21	60
22	63
23	64
24	68
25	72
26	76
27	80
28	81
29	84
30	88
31	92
32	96
33	99
34	100
35	104
36	108
37	112
38	116
39	117
40	120
41	121
42	124
43	125
44	128
45	132
46	135
47	136
48	140
49	144
50	148
51	152
52	153
53	156
54	160
55	162
56	164
57	168
58	169
59	171

[4, 8, 9, 12, 16, 20, 24, 25, 27, 28, 32, 36, 40, 44, 45, 48, 49, 52, 54, 56, 60, 63, 64, 68, 72, 76, 80, 81, 84, 88, 92, 96, 99, 100, 104, 108, 112, 116, 117, 120, 121, 124, 125, 128, 132, 135, 136, 140, 144, 148, 152, 153, 156, 160, 162, 164, 168, 169, 171]

cp's OEIS Frontend

A375399 Numbers k such that the minima of maximal anti-runs in the weakly increasing sequence of prime factors of k (with multiplicity) are not distinct.

Table of values

List of values

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	20
7	24
8	25
9	27
10	28
11	32
12	36
13	40
14	44
15	45
16	48
17	49
18	52
19	54
20	56
21	60
22	63
23	64
24	68
25	72
26	76
27	80
28	81
29	84
30	88
31	92
32	96
33	99
34	100
35	104
36	108
37	112
38	116
39	117
40	120
41	121
42	124
43	125
44	128
45	132
46	135
47	136
48	140
49	144
50	148
51	152
52	153
53	156
54	160
55	162
56	164
57	168
58	169
59	171

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	20
7	24
8	25
9	27
10	28
11	32
12	36
13	40
14	44
15	45
16	48
17	49
18	52
19	54
20	56
21	60
22	63
23	64
24	68
25	72
26	76
27	80
28	81
29	84
30	88
31	92
32	96
33	99
34	100
35	104
36	108
37	112
38	116
39	117
40	120
41	121
42	124
43	125
44	128
45	132
46	135
47	136
48	140
49	144
50	148
51	152
52	153
53	156
54	160
55	162
56	164
57	168
58	169
59	171

n	a(n)
1	4
2	8
3	9
4	12
5	16
6	20
7	24
8	25
9	27
10	28
11	32
12	36
13	40
14	44
15	45
16	48
17	49
18	52
19	54
20	56
21	60
22	63
23	64
24	68
25	72
26	76
27	80
28	81
29	84
30	88
31	92
32	96
33	99
34	100
35	104
36	108
37	112
38	116
39	117
40	120
41	121
42	124
43	125
44	128
45	132
46	135
47	136
48	140
49	144
50	148
51	152
52	153
53	156
54	160
55	162
56	164
57	168
58	169
59	171