A324515 - cp's OEIS frontend

A324515 Numbers > 1 where the maximum prime index minus the minimum prime index equals the number of prime factors minus the number of distinct prime factors.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	23
12	29
13	31
14	37
15	40
16	41
17	43
18	45
19	47
20	53
21	59
22	61
23	67
24	71
25	73
26	75
27	79
28	83
29	89
30	97
31	100
32	101
33	103
34	107
35	109
36	112
37	113
38	120
39	127
40	131
41	137
42	139
43	149
44	151
45	157
46	163
47	167
48	173
49	175
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223

[2, 3, 5, 7, 11, 12, 13, 17, 18, 19, 23, 29, 31, 37, 40, 41, 43, 45, 47, 53, 59, 61, 67, 71, 73, 75, 79, 83, 89, 97, 100, 101, 103, 107, 109, 112, 113, 120, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 175, 179, 180, 181, 189, 191, 193, 197, 199, 211, 223]

cp's OEIS Frontend

A324515 Numbers > 1 where the maximum prime index minus the minimum prime index equals the number of prime factors minus the number of distinct prime factors.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	23
12	29
13	31
14	37
15	40
16	41
17	43
18	45
19	47
20	53
21	59
22	61
23	67
24	71
25	73
26	75
27	79
28	83
29	89
30	97
31	100
32	101
33	103
34	107
35	109
36	112
37	113
38	120
39	127
40	131
41	137
42	139
43	149
44	151
45	157
46	163
47	167
48	173
49	175
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	23
12	29
13	31
14	37
15	40
16	41
17	43
18	45
19	47
20	53
21	59
22	61
23	67
24	71
25	73
26	75
27	79
28	83
29	89
30	97
31	100
32	101
33	103
34	107
35	109
36	112
37	113
38	120
39	127
40	131
41	137
42	139
43	149
44	151
45	157
46	163
47	167
48	173
49	175
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	12
7	13
8	17
9	18
10	19
11	23
12	29
13	31
14	37
15	40
16	41
17	43
18	45
19	47
20	53
21	59
22	61
23	67
24	71
25	73
26	75
27	79
28	83
29	89
30	97
31	100
32	101
33	103
34	107
35	109
36	112
37	113
38	120
39	127
40	131
41	137
42	139
43	149
44	151
45	157
46	163
47	167
48	173
49	175
50	179
51	180
52	181
53	189
54	191
55	193
56	197
57	199
58	211
59	223