A064548 - cp's OEIS frontend

A064548 Numbers k for which the sum of the binary digits equals the number of prime factors of k + 1 counted with multiplicity.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	9
8	11
9	15
10	16
11	19
12	20
13	23
14	24
15	26
16	31
17	33
18	34
19	39
20	41
21	44
22	47
23	48
24	49
25	53
26	63
27	67
28	68
29	69
30	74
31	79
32	83
33	89
34	95
35	97
36	98
37	99
38	104
39	107
40	127
41	132
42	135
43	137
44	139
45	144
46	146
47	149
48	152
49	159
50	160
51	164
52	167
53	179
54	191
55	194
56	195
57	197
58	199
59	209
60	215
61	242
62	255

[1, 2, 3, 4, 5, 7, 9, 11, 15, 16, 19, 20, 23, 24, 26, 31, 33, 34, 39, 41, 44, 47, 48, 49, 53, 63, 67, 68, 69, 74, 79, 83, 89, 95, 97, 98, 99, 104, 107, 127, 132, 135, 137, 139, 144, 146, 149, 152, 159, 160, 164, 167, 179, 191, 194, 195, 197, 199, 209, 215, 242, 255]

cp's OEIS Frontend

A064548 Numbers k for which the sum of the binary digits equals the number of prime factors of k + 1 counted with multiplicity.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	9
8	11
9	15
10	16
11	19
12	20
13	23
14	24
15	26
16	31
17	33
18	34
19	39
20	41
21	44
22	47
23	48
24	49
25	53
26	63
27	67
28	68
29	69
30	74
31	79
32	83
33	89
34	95
35	97
36	98
37	99
38	104
39	107
40	127
41	132
42	135
43	137
44	139
45	144
46	146
47	149
48	152
49	159
50	160
51	164
52	167
53	179
54	191
55	194
56	195
57	197
58	199
59	209
60	215
61	242
62	255

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	9
8	11
9	15
10	16
11	19
12	20
13	23
14	24
15	26
16	31
17	33
18	34
19	39
20	41
21	44
22	47
23	48
24	49
25	53
26	63
27	67
28	68
29	69
30	74
31	79
32	83
33	89
34	95
35	97
36	98
37	99
38	104
39	107
40	127
41	132
42	135
43	137
44	139
45	144
46	146
47	149
48	152
49	159
50	160
51	164
52	167
53	179
54	191
55	194
56	195
57	197
58	199
59	209
60	215
61	242
62	255

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	9
8	11
9	15
10	16
11	19
12	20
13	23
14	24
15	26
16	31
17	33
18	34
19	39
20	41
21	44
22	47
23	48
24	49
25	53
26	63
27	67
28	68
29	69
30	74
31	79
32	83
33	89
34	95
35	97
36	98
37	99
38	104
39	107
40	127
41	132
42	135
43	137
44	139
45	144
46	146
47	149
48	152
49	159
50	160
51	164
52	167
53	179
54	191
55	194
56	195
57	197
58	199
59	209
60	215
61	242
62	255