A318517 - cp's OEIS frontend

A318517 a(n) = A032742(n) XOR n-A032742(n), where XOR is bitwise-xor (A003987) and A032742 = the largest proper divisor of n.

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

[1, 0, 3, 0, 5, 0, 7, 0, 5, 0, 11, 0, 13, 0, 15, 0, 17, 0, 19, 0, 9, 0, 23, 0, 17, 0, 27, 0, 29, 0, 31, 0, 29, 0, 27, 0, 37, 0, 23, 0, 41, 0, 43, 0, 17, 0, 47, 0, 45, 0, 51, 0, 53, 0, 39, 0, 53, 0, 59, 0, 61, 0, 63, 0, 57, 0, 67, 0, 57, 0, 71, 0, 73, 0, 43, 0, 73, 0, 79, 0, 45, 0, 83, 0, 85, 0, 39, 0, 89, 0, 67, 0, 33, 0, 95]

cp's OEIS Frontend

A318517 a(n) = A032742(n) XOR n-A032742(n), where XOR is bitwise-xor (A003987) and A032742 = the largest proper divisor of n.

Table of values

List of values

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

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

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