A328178 - cp's OEIS frontend

A328178 a(n) is the minimal value of the expression d XOR (n/d) where d runs through the divisors of n and XOR denotes the bitwise XOR operator.

n	a(n)
1	0
2	3
3	2
4	0
5	4
6	1
7	6
8	6
9	0
10	7
11	10
12	4
13	12
14	5
15	6
16	0
17	16
18	5
19	18
20	1
21	4
22	9
23	22
24	2
25	0
26	15
27	10
28	3
29	28
30	3
31	30
32	12
33	8
34	19
35	2
36	0
37	36
38	17
39	14
40	13
41	40
42	1
43	42
44	15
45	12
46	21
47	46
48	8
49	0
50	15
51	18
52	9
53	52
54	15
55	14
56	10
57	16
58	31
59	58
60	9
61	60
62	29
63	14
64	0
65	8
66	13
67	66
68	21
69	20
70	11
71	70
72	1
73	72

[0, 3, 2, 0, 4, 1, 6, 6, 0, 7, 10, 4, 12, 5, 6, 0, 16, 5, 18, 1, 4, 9, 22, 2, 0, 15, 10, 3, 28, 3, 30, 12, 8, 19, 2, 0, 36, 17, 14, 13, 40, 1, 42, 15, 12, 21, 46, 8, 0, 15, 18, 9, 52, 15, 14, 10, 16, 31, 58, 9, 60, 29, 14, 0, 8, 13, 66, 21, 20, 11, 70, 1, 72]

cp's OEIS Frontend

A328178 a(n) is the minimal value of the expression d XOR (n/d) where d runs through the divisors of n and XOR denotes the bitwise XOR operator.

Table of values

List of values

n	a(n)
1	0
2	3
3	2
4	0
5	4
6	1
7	6
8	6
9	0
10	7
11	10
12	4
13	12
14	5
15	6
16	0
17	16
18	5
19	18
20	1
21	4
22	9
23	22
24	2
25	0
26	15
27	10
28	3
29	28
30	3
31	30
32	12
33	8
34	19
35	2
36	0
37	36
38	17
39	14
40	13
41	40
42	1
43	42
44	15
45	12
46	21
47	46
48	8
49	0
50	15
51	18
52	9
53	52
54	15
55	14
56	10
57	16
58	31
59	58
60	9
61	60
62	29
63	14
64	0
65	8
66	13
67	66
68	21
69	20
70	11
71	70
72	1
73	72

n	a(n)
1	0
2	3
3	2
4	0
5	4
6	1
7	6
8	6
9	0
10	7
11	10
12	4
13	12
14	5
15	6
16	0
17	16
18	5
19	18
20	1
21	4
22	9
23	22
24	2
25	0
26	15
27	10
28	3
29	28
30	3
31	30
32	12
33	8
34	19
35	2
36	0
37	36
38	17
39	14
40	13
41	40
42	1
43	42
44	15
45	12
46	21
47	46
48	8
49	0
50	15
51	18
52	9
53	52
54	15
55	14
56	10
57	16
58	31
59	58
60	9
61	60
62	29
63	14
64	0
65	8
66	13
67	66
68	21
69	20
70	11
71	70
72	1
73	72

n	a(n)
1	0
2	3
3	2
4	0
5	4
6	1
7	6
8	6
9	0
10	7
11	10
12	4
13	12
14	5
15	6
16	0
17	16
18	5
19	18
20	1
21	4
22	9
23	22
24	2
25	0
26	15
27	10
28	3
29	28
30	3
31	30
32	12
33	8
34	19
35	2
36	0
37	36
38	17
39	14
40	13
41	40
42	1
43	42
44	15
45	12
46	21
47	46
48	8
49	0
50	15
51	18
52	9
53	52
54	15
55	14
56	10
57	16
58	31
59	58
60	9
61	60
62	29
63	14
64	0
65	8
66	13
67	66
68	21
69	20
70	11
71	70
72	1
73	72