A072591 - cp's OEIS frontend

A072591 In prime factorization of n replace multiplication with bitwise logical 'and'.

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	2
7	7
8	2
9	3
10	0
11	11
12	2
13	13
14	2
15	1
16	2
17	17
18	2
19	19
20	0
21	3
22	2
23	23
24	2
25	5
26	0
27	3
28	2
29	29
30	0
31	31
32	2
33	3
34	0
35	5
36	2
37	37
38	2
39	1
40	0
41	41
42	2
43	43
44	2
45	1
46	2
47	47
48	2
49	7
50	0
51	1
52	0
53	53
54	2
55	1
56	2
57	3
58	0
59	59
60	0
61	61
62	2
63	3
64	2
65	5
66	2
67	67
68	0
69	3
70	0
71	71
72	2
73	73
74	0
75	1
76	2
77	3
78	0
79	79
80	0
81	3
82	0
83	83
84	2
85	1
86	2
87	1
88	2
89	89
90	0
91	5
92	2
93	3
94	2

[1, 2, 3, 2, 5, 2, 7, 2, 3, 0, 11, 2, 13, 2, 1, 2, 17, 2, 19, 0, 3, 2, 23, 2, 5, 0, 3, 2, 29, 0, 31, 2, 3, 0, 5, 2, 37, 2, 1, 0, 41, 2, 43, 2, 1, 2, 47, 2, 7, 0, 1, 0, 53, 2, 1, 2, 3, 0, 59, 0, 61, 2, 3, 2, 5, 2, 67, 0, 3, 0, 71, 2, 73, 0, 1, 2, 3, 0, 79, 0, 3, 0, 83, 2, 1, 2, 1, 2, 89, 0, 5, 2, 3, 2]

cp's OEIS Frontend

A072591 In prime factorization of n replace multiplication with bitwise logical 'and'.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	2
7	7
8	2
9	3
10	0
11	11
12	2
13	13
14	2
15	1
16	2
17	17
18	2
19	19
20	0
21	3
22	2
23	23
24	2
25	5
26	0
27	3
28	2
29	29
30	0
31	31
32	2
33	3
34	0
35	5
36	2
37	37
38	2
39	1
40	0
41	41
42	2
43	43
44	2
45	1
46	2
47	47
48	2
49	7
50	0
51	1
52	0
53	53
54	2
55	1
56	2
57	3
58	0
59	59
60	0
61	61
62	2
63	3
64	2
65	5
66	2
67	67
68	0
69	3
70	0
71	71
72	2
73	73
74	0
75	1
76	2
77	3
78	0
79	79
80	0
81	3
82	0
83	83
84	2
85	1
86	2
87	1
88	2
89	89
90	0
91	5
92	2
93	3
94	2

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	2
7	7
8	2
9	3
10	0
11	11
12	2
13	13
14	2
15	1
16	2
17	17
18	2
19	19
20	0
21	3
22	2
23	23
24	2
25	5
26	0
27	3
28	2
29	29
30	0
31	31
32	2
33	3
34	0
35	5
36	2
37	37
38	2
39	1
40	0
41	41
42	2
43	43
44	2
45	1
46	2
47	47
48	2
49	7
50	0
51	1
52	0
53	53
54	2
55	1
56	2
57	3
58	0
59	59
60	0
61	61
62	2
63	3
64	2
65	5
66	2
67	67
68	0
69	3
70	0
71	71
72	2
73	73
74	0
75	1
76	2
77	3
78	0
79	79
80	0
81	3
82	0
83	83
84	2
85	1
86	2
87	1
88	2
89	89
90	0
91	5
92	2
93	3
94	2

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	2
7	7
8	2
9	3
10	0
11	11
12	2
13	13
14	2
15	1
16	2
17	17
18	2
19	19
20	0
21	3
22	2
23	23
24	2
25	5
26	0
27	3
28	2
29	29
30	0
31	31
32	2
33	3
34	0
35	5
36	2
37	37
38	2
39	1
40	0
41	41
42	2
43	43
44	2
45	1
46	2
47	47
48	2
49	7
50	0
51	1
52	0
53	53
54	2
55	1
56	2
57	3
58	0
59	59
60	0
61	61
62	2
63	3
64	2
65	5
66	2
67	67
68	0
69	3
70	0
71	71
72	2
73	73
74	0
75	1
76	2
77	3
78	0
79	79
80	0
81	3
82	0
83	83
84	2
85	1
86	2
87	1
88	2
89	89
90	0
91	5
92	2
93	3
94	2