A367397 - cp's OEIS frontend

A367397 Numbers m such that bigomega(m) is the sum of prime indices of some semiprime divisor of m.

n	a(n)
1	4
2	12
3	18
4	30
5	36
6	40
7	42
8	54
9	60
10	66
11	78
12	81
13	90
14	100
15	102
16	112
17	114
18	120
19	126
20	135
21	138
22	140
23	150
24	168
25	174
26	180
27	186
28	189
29	198
30	210
31	220
32	222
33	225
34	234
35	246
36	250
37	252
38	258
39	260
40	270
41	280
42	282
43	297
44	300
45	306
46	315
47	318
48	330
49	336
50	340
51	342
52	350
53	351
54	352
55	354

[4, 12, 18, 30, 36, 40, 42, 54, 60, 66, 78, 81, 90, 100, 102, 112, 114, 120, 126, 135, 138, 140, 150, 168, 174, 180, 186, 189, 198, 210, 220, 222, 225, 234, 246, 250, 252, 258, 260, 270, 280, 282, 297, 300, 306, 315, 318, 330, 336, 340, 342, 350, 351, 352, 354]

cp's OEIS Frontend

A367397 Numbers m such that bigomega(m) is the sum of prime indices of some semiprime divisor of m.

Table of values

List of values

n	a(n)
1	4
2	12
3	18
4	30
5	36
6	40
7	42
8	54
9	60
10	66
11	78
12	81
13	90
14	100
15	102
16	112
17	114
18	120
19	126
20	135
21	138
22	140
23	150
24	168
25	174
26	180
27	186
28	189
29	198
30	210
31	220
32	222
33	225
34	234
35	246
36	250
37	252
38	258
39	260
40	270
41	280
42	282
43	297
44	300
45	306
46	315
47	318
48	330
49	336
50	340
51	342
52	350
53	351
54	352
55	354

n	a(n)
1	4
2	12
3	18
4	30
5	36
6	40
7	42
8	54
9	60
10	66
11	78
12	81
13	90
14	100
15	102
16	112
17	114
18	120
19	126
20	135
21	138
22	140
23	150
24	168
25	174
26	180
27	186
28	189
29	198
30	210
31	220
32	222
33	225
34	234
35	246
36	250
37	252
38	258
39	260
40	270
41	280
42	282
43	297
44	300
45	306
46	315
47	318
48	330
49	336
50	340
51	342
52	350
53	351
54	352
55	354

n	a(n)
1	4
2	12
3	18
4	30
5	36
6	40
7	42
8	54
9	60
10	66
11	78
12	81
13	90
14	100
15	102
16	112
17	114
18	120
19	126
20	135
21	138
22	140
23	150
24	168
25	174
26	180
27	186
28	189
29	198
30	210
31	220
32	222
33	225
34	234
35	246
36	250
37	252
38	258
39	260
40	270
41	280
42	282
43	297
44	300
45	306
46	315
47	318
48	330
49	336
50	340
51	342
52	350
53	351
54	352
55	354