A071596 - cp's OEIS frontend

A071596 Even numbers k such that the number of 1's in binary representation of k equals omega(k), the number of distinct primes in the factorization of k.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	48
17	64
18	68
19	70
20	72
21	80
22	84
23	96
24	128
25	136
26	138
27	140
28	144
29	160
30	168
31	192
32	210
33	256
34	266
35	272
36	276
37	280
38	288
39	290
40	320
41	322
42	330
43	336
44	384
45	390
46	420
47	512
48	514
49	518
50	522
51	530
52	532
53	544
54	552
55	560
56	576
57	580
58	640

[2, 4, 6, 8, 10, 12, 16, 18, 20, 24, 32, 34, 36, 40, 42, 48, 64, 68, 70, 72, 80, 84, 96, 128, 136, 138, 140, 144, 160, 168, 192, 210, 256, 266, 272, 276, 280, 288, 290, 320, 322, 330, 336, 384, 390, 420, 512, 514, 518, 522, 530, 532, 544, 552, 560, 576, 580, 640]

cp's OEIS Frontend

A071596 Even numbers k such that the number of 1's in binary representation of k equals omega(k), the number of distinct primes in the factorization of k.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	48
17	64
18	68
19	70
20	72
21	80
22	84
23	96
24	128
25	136
26	138
27	140
28	144
29	160
30	168
31	192
32	210
33	256
34	266
35	272
36	276
37	280
38	288
39	290
40	320
41	322
42	330
43	336
44	384
45	390
46	420
47	512
48	514
49	518
50	522
51	530
52	532
53	544
54	552
55	560
56	576
57	580
58	640

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	48
17	64
18	68
19	70
20	72
21	80
22	84
23	96
24	128
25	136
26	138
27	140
28	144
29	160
30	168
31	192
32	210
33	256
34	266
35	272
36	276
37	280
38	288
39	290
40	320
41	322
42	330
43	336
44	384
45	390
46	420
47	512
48	514
49	518
50	522
51	530
52	532
53	544
54	552
55	560
56	576
57	580
58	640

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	16
8	18
9	20
10	24
11	32
12	34
13	36
14	40
15	42
16	48
17	64
18	68
19	70
20	72
21	80
22	84
23	96
24	128
25	136
26	138
27	140
28	144
29	160
30	168
31	192
32	210
33	256
34	266
35	272
36	276
37	280
38	288
39	290
40	320
41	322
42	330
43	336
44	384
45	390
46	420
47	512
48	514
49	518
50	522
51	530
52	532
53	544
54	552
55	560
56	576
57	580
58	640