A344220 - cp's OEIS frontend

A344220 a(n) is the least k >= 0 such that n XOR k is a binary palindrome (where XOR denotes the bitwise XOR operator).

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

[0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 3, 2, 3, 2, 1, 0, 1, 0, 3, 2, 1, 0, 3, 2, 3, 2, 1, 0, 3, 2, 1, 0, 1, 0, 3, 2, 5, 4, 7, 6, 5, 4, 7, 6, 1, 0, 3, 2, 3, 2, 1, 0, 7, 6, 5, 4, 7, 6, 5, 4, 3, 2, 1, 0, 1, 0, 3, 2, 5, 4, 7, 6, 1, 0, 3, 2, 5, 4, 7, 6, 5, 4, 7, 6, 1, 0, 3]

cp's OEIS Frontend

A344220 a(n) is the least k >= 0 such that n XOR k is a binary palindrome (where XOR denotes the bitwise XOR operator).

Table of values

List of values

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

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

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