A318467 - cp's OEIS frontend

A318467 a(n) = 2*n XOR A000203(n), where XOR is bitwise-xor (A003987) and A000203 = sum of divisors.

n	a(n)
1	3
2	7
3	2
4	15
5	12
6	0
7	6
8	31
9	31
10	6
11	26
12	4
13	20
14	4
15	6
16	63
17	48
18	3
19	50
20	2
21	10
22	8
23	54
24	12
25	45
26	30
27	30
28	0
29	36
30	116
31	30
32	127
33	114
34	114
35	118
36	19
37	108
38	112
39	118
40	10
41	120
42	52
43	122
44	12
45	20
46	20
47	110
48	28
49	91
50	57
51	46
52	10
53	92
54	20
55	38
56	8
57	34
58	46
59	74
60	208
61	68
62	28
63	22
64	255
65	214
66	20
67	194
68	246
69	234
70	28
71	198
72	83
73	216
74	230
75	234
76	20
77	250
78	52
79	206
80	26

[3, 7, 2, 15, 12, 0, 6, 31, 31, 6, 26, 4, 20, 4, 6, 63, 48, 3, 50, 2, 10, 8, 54, 12, 45, 30, 30, 0, 36, 116, 30, 127, 114, 114, 118, 19, 108, 112, 118, 10, 120, 52, 122, 12, 20, 20, 110, 28, 91, 57, 46, 10, 92, 20, 38, 8, 34, 46, 74, 208, 68, 28, 22, 255, 214, 20, 194, 246, 234, 28, 198, 83, 216, 230, 234, 20, 250, 52, 206, 26]

cp's OEIS Frontend

A318467 a(n) = 2*n XOR A000203(n), where XOR is bitwise-xor (A003987) and A000203 = sum of divisors.

Table of values

List of values

n	a(n)
1	3
2	7
3	2
4	15
5	12
6	0
7	6
8	31
9	31
10	6
11	26
12	4
13	20
14	4
15	6
16	63
17	48
18	3
19	50
20	2
21	10
22	8
23	54
24	12
25	45
26	30
27	30
28	0
29	36
30	116
31	30
32	127
33	114
34	114
35	118
36	19
37	108
38	112
39	118
40	10
41	120
42	52
43	122
44	12
45	20
46	20
47	110
48	28
49	91
50	57
51	46
52	10
53	92
54	20
55	38
56	8
57	34
58	46
59	74
60	208
61	68
62	28
63	22
64	255
65	214
66	20
67	194
68	246
69	234
70	28
71	198
72	83
73	216
74	230
75	234
76	20
77	250
78	52
79	206
80	26

n	a(n)
1	3
2	7
3	2
4	15
5	12
6	0
7	6
8	31
9	31
10	6
11	26
12	4
13	20
14	4
15	6
16	63
17	48
18	3
19	50
20	2
21	10
22	8
23	54
24	12
25	45
26	30
27	30
28	0
29	36
30	116
31	30
32	127
33	114
34	114
35	118
36	19
37	108
38	112
39	118
40	10
41	120
42	52
43	122
44	12
45	20
46	20
47	110
48	28
49	91
50	57
51	46
52	10
53	92
54	20
55	38
56	8
57	34
58	46
59	74
60	208
61	68
62	28
63	22
64	255
65	214
66	20
67	194
68	246
69	234
70	28
71	198
72	83
73	216
74	230
75	234
76	20
77	250
78	52
79	206
80	26

n	a(n)
1	3
2	7
3	2
4	15
5	12
6	0
7	6
8	31
9	31
10	6
11	26
12	4
13	20
14	4
15	6
16	63
17	48
18	3
19	50
20	2
21	10
22	8
23	54
24	12
25	45
26	30
27	30
28	0
29	36
30	116
31	30
32	127
33	114
34	114
35	118
36	19
37	108
38	112
39	118
40	10
41	120
42	52
43	122
44	12
45	20
46	20
47	110
48	28
49	91
50	57
51	46
52	10
53	92
54	20
55	38
56	8
57	34
58	46
59	74
60	208
61	68
62	28
63	22
64	255
65	214
66	20
67	194
68	246
69	234
70	28
71	198
72	83
73	216
74	230
75	234
76	20
77	250
78	52
79	206
80	26