A117891 - cp's OEIS frontend

A117891 Numbers k such that both the number of non-leading 0's in the binary representation of k and the number of 1's in the binary representation of k divide k.

n	a(n)
1	2
2	4
3	6
4	10
5	12
6	16
7	18
8	24
9	36
10	40
11	42
12	48
13	55
14	60
15	80
16	84
17	108
18	110
19	120
20	126
21	132
22	144
23	156
24	172
25	180
26	184
27	192
28	204
29	212
30	216
31	222
32	228
33	232
34	240
35	246
36	252
37	256
38	276
39	300
40	318
41	324
42	336
43	340
44	360
45	366
46	378
47	414
48	420
49	438
50	440
51	444
52	460
53	462
54	474
55	480
56	486

[2, 4, 6, 10, 12, 16, 18, 24, 36, 40, 42, 48, 55, 60, 80, 84, 108, 110, 120, 126, 132, 144, 156, 172, 180, 184, 192, 204, 212, 216, 222, 228, 232, 240, 246, 252, 256, 276, 300, 318, 324, 336, 340, 360, 366, 378, 414, 420, 438, 440, 444, 460, 462, 474, 480, 486]

cp's OEIS Frontend

A117891 Numbers k such that both the number of non-leading 0's in the binary representation of k and the number of 1's in the binary representation of k divide k.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	10
5	12
6	16
7	18
8	24
9	36
10	40
11	42
12	48
13	55
14	60
15	80
16	84
17	108
18	110
19	120
20	126
21	132
22	144
23	156
24	172
25	180
26	184
27	192
28	204
29	212
30	216
31	222
32	228
33	232
34	240
35	246
36	252
37	256
38	276
39	300
40	318
41	324
42	336
43	340
44	360
45	366
46	378
47	414
48	420
49	438
50	440
51	444
52	460
53	462
54	474
55	480
56	486

n	a(n)
1	2
2	4
3	6
4	10
5	12
6	16
7	18
8	24
9	36
10	40
11	42
12	48
13	55
14	60
15	80
16	84
17	108
18	110
19	120
20	126
21	132
22	144
23	156
24	172
25	180
26	184
27	192
28	204
29	212
30	216
31	222
32	228
33	232
34	240
35	246
36	252
37	256
38	276
39	300
40	318
41	324
42	336
43	340
44	360
45	366
46	378
47	414
48	420
49	438
50	440
51	444
52	460
53	462
54	474
55	480
56	486

n	a(n)
1	2
2	4
3	6
4	10
5	12
6	16
7	18
8	24
9	36
10	40
11	42
12	48
13	55
14	60
15	80
16	84
17	108
18	110
19	120
20	126
21	132
22	144
23	156
24	172
25	180
26	184
27	192
28	204
29	212
30	216
31	222
32	228
33	232
34	240
35	246
36	252
37	256
38	276
39	300
40	318
41	324
42	336
43	340
44	360
45	366
46	378
47	414
48	420
49	438
50	440
51	444
52	460
53	462
54	474
55	480
56	486