A318518 - cp's OEIS frontend

A318518 a(n) = A032742(n) AND n-A032742(n), where AND is bitwise-and (A004198) and A032742 = the largest proper divisor of n.

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	2
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	6
22	11
23	0
24	12
25	4
26	13
27	0
28	14
29	0
30	15
31	0
32	16
33	2
34	17
35	4
36	18
37	0
38	19
39	8
40	20
41	0
42	21
43	0
44	22
45	14
46	23
47	0
48	24
49	2
50	25
51	0
52	26
53	0
54	27
55	8
56	28
57	2
58	29
59	0
60	30
61	0
62	31
63	0
64	32
65	4
66	33
67	0
68	34
69	6
70	35
71	0
72	36
73	0
74	37
75	16
76	38
77	2
78	39
79	0
80	40
81	18
82	41
83	0
84	42
85	0
86	43
87	24
88	44
89	0
90	45
91	12
92	46
93	30
94	47
95	0
96	48
97	0
98	49
99	0
100	50
101	0
102	51
103	0

[0, 1, 0, 2, 0, 3, 0, 4, 2, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 6, 11, 0, 12, 4, 13, 0, 14, 0, 15, 0, 16, 2, 17, 4, 18, 0, 19, 8, 20, 0, 21, 0, 22, 14, 23, 0, 24, 2, 25, 0, 26, 0, 27, 8, 28, 2, 29, 0, 30, 0, 31, 0, 32, 4, 33, 0, 34, 6, 35, 0, 36, 0, 37, 16, 38, 2, 39, 0, 40, 18, 41, 0, 42, 0, 43, 24, 44, 0, 45, 12, 46, 30, 47, 0, 48, 0, 49, 0, 50, 0, 51, 0]

cp's OEIS Frontend

A318518 a(n) = A032742(n) AND n-A032742(n), where AND is bitwise-and (A004198) and A032742 = the largest proper divisor of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	2
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	6
22	11
23	0
24	12
25	4
26	13
27	0
28	14
29	0
30	15
31	0
32	16
33	2
34	17
35	4
36	18
37	0
38	19
39	8
40	20
41	0
42	21
43	0
44	22
45	14
46	23
47	0
48	24
49	2
50	25
51	0
52	26
53	0
54	27
55	8
56	28
57	2
58	29
59	0
60	30
61	0
62	31
63	0
64	32
65	4
66	33
67	0
68	34
69	6
70	35
71	0
72	36
73	0
74	37
75	16
76	38
77	2
78	39
79	0
80	40
81	18
82	41
83	0
84	42
85	0
86	43
87	24
88	44
89	0
90	45
91	12
92	46
93	30
94	47
95	0
96	48
97	0
98	49
99	0
100	50
101	0
102	51
103	0

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	2
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	6
22	11
23	0
24	12
25	4
26	13
27	0
28	14
29	0
30	15
31	0
32	16
33	2
34	17
35	4
36	18
37	0
38	19
39	8
40	20
41	0
42	21
43	0
44	22
45	14
46	23
47	0
48	24
49	2
50	25
51	0
52	26
53	0
54	27
55	8
56	28
57	2
58	29
59	0
60	30
61	0
62	31
63	0
64	32
65	4
66	33
67	0
68	34
69	6
70	35
71	0
72	36
73	0
74	37
75	16
76	38
77	2
78	39
79	0
80	40
81	18
82	41
83	0
84	42
85	0
86	43
87	24
88	44
89	0
90	45
91	12
92	46
93	30
94	47
95	0
96	48
97	0
98	49
99	0
100	50
101	0
102	51
103	0

n	a(n)
1	0
2	1
3	0
4	2
5	0
6	3
7	0
8	4
9	2
10	5
11	0
12	6
13	0
14	7
15	0
16	8
17	0
18	9
19	0
20	10
21	6
22	11
23	0
24	12
25	4
26	13
27	0
28	14
29	0
30	15
31	0
32	16
33	2
34	17
35	4
36	18
37	0
38	19
39	8
40	20
41	0
42	21
43	0
44	22
45	14
46	23
47	0
48	24
49	2
50	25
51	0
52	26
53	0
54	27
55	8
56	28
57	2
58	29
59	0
60	30
61	0
62	31
63	0
64	32
65	4
66	33
67	0
68	34
69	6
70	35
71	0
72	36
73	0
74	37
75	16
76	38
77	2
78	39
79	0
80	40
81	18
82	41
83	0
84	42
85	0
86	43
87	24
88	44
89	0
90	45
91	12
92	46
93	30
94	47
95	0
96	48
97	0
98	49
99	0
100	50
101	0
102	51
103	0