A158804 - cp's OEIS frontend

A158804 Composite integers that are a multiple of the sum of their distinct prime factors.

n	a(n)
1	4
2	8
3	9
4	16
5	25
6	27
7	30
8	32
9	49
10	60
11	64
12	70
13	81
14	84
15	90
16	105
17	120
18	121
19	125
20	128
21	140
22	150
23	168
24	169
25	180
26	231
27	234
28	240
29	243
30	252
31	256
32	260
33	270
34	280
35	286
36	289
37	300
38	315
39	336
40	343
41	350
42	360
43	361
44	450
45	456
46	468
47	480
48	490
49	504
50	512
51	520
52	525
53	528
54	529
55	532
56	540

[4, 8, 9, 16, 25, 27, 30, 32, 49, 60, 64, 70, 81, 84, 90, 105, 120, 121, 125, 128, 140, 150, 168, 169, 180, 231, 234, 240, 243, 252, 256, 260, 270, 280, 286, 289, 300, 315, 336, 343, 350, 360, 361, 450, 456, 468, 480, 490, 504, 512, 520, 525, 528, 529, 532, 540]

cp's OEIS Frontend

A158804 Composite integers that are a multiple of the sum of their distinct prime factors.

Table of values

List of values

n	a(n)
1	4
2	8
3	9
4	16
5	25
6	27
7	30
8	32
9	49
10	60
11	64
12	70
13	81
14	84
15	90
16	105
17	120
18	121
19	125
20	128
21	140
22	150
23	168
24	169
25	180
26	231
27	234
28	240
29	243
30	252
31	256
32	260
33	270
34	280
35	286
36	289
37	300
38	315
39	336
40	343
41	350
42	360
43	361
44	450
45	456
46	468
47	480
48	490
49	504
50	512
51	520
52	525
53	528
54	529
55	532
56	540

n	a(n)
1	4
2	8
3	9
4	16
5	25
6	27
7	30
8	32
9	49
10	60
11	64
12	70
13	81
14	84
15	90
16	105
17	120
18	121
19	125
20	128
21	140
22	150
23	168
24	169
25	180
26	231
27	234
28	240
29	243
30	252
31	256
32	260
33	270
34	280
35	286
36	289
37	300
38	315
39	336
40	343
41	350
42	360
43	361
44	450
45	456
46	468
47	480
48	490
49	504
50	512
51	520
52	525
53	528
54	529
55	532
56	540

n	a(n)
1	4
2	8
3	9
4	16
5	25
6	27
7	30
8	32
9	49
10	60
11	64
12	70
13	81
14	84
15	90
16	105
17	120
18	121
19	125
20	128
21	140
22	150
23	168
24	169
25	180
26	231
27	234
28	240
29	243
30	252
31	256
32	260
33	270
34	280
35	286
36	289
37	300
38	315
39	336
40	343
41	350
42	360
43	361
44	450
45	456
46	468
47	480
48	490
49	504
50	512
51	520
52	525
53	528
54	529
55	532
56	540