A370427 - cp's OEIS frontend

A370427 a(n) is the least k >= 0 such that n OR k is a binary palindrome (where OR denotes the bitwise OR 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	5
11	4
12	3
13	2
14	1
15	0
16	1
17	0
18	9
19	8
20	1
21	0
22	9
23	8
24	3
25	2
26	1
27	0
28	3
29	2
30	1
31	0
32	1
33	0
34	17
35	16
36	9
37	8
38	25
39	24
40	5
41	4
42	21
43	20
44	1
45	0
46	17
47	16
48	3
49	2
50	1
51	0
52	11
53	10
54	9
55	8
56	7
57	6
58	5
59	4
60	3
61	2
62	1
63	0
64	1
65	0
66	33
67	32
68	17
69	16
70	49
71	48
72	1
73	0
74	33
75	32
76	17
77	16
78	49
79	48

[0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 5, 4, 3, 2, 1, 0, 1, 0, 9, 8, 1, 0, 9, 8, 3, 2, 1, 0, 3, 2, 1, 0, 1, 0, 17, 16, 9, 8, 25, 24, 5, 4, 21, 20, 1, 0, 17, 16, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1, 0, 33, 32, 17, 16, 49, 48, 1, 0, 33, 32, 17, 16, 49, 48]

cp's OEIS Frontend

A370427 a(n) is the least k >= 0 such that n OR k is a binary palindrome (where OR denotes the bitwise OR 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	5
11	4
12	3
13	2
14	1
15	0
16	1
17	0
18	9
19	8
20	1
21	0
22	9
23	8
24	3
25	2
26	1
27	0
28	3
29	2
30	1
31	0
32	1
33	0
34	17
35	16
36	9
37	8
38	25
39	24
40	5
41	4
42	21
43	20
44	1
45	0
46	17
47	16
48	3
49	2
50	1
51	0
52	11
53	10
54	9
55	8
56	7
57	6
58	5
59	4
60	3
61	2
62	1
63	0
64	1
65	0
66	33
67	32
68	17
69	16
70	49
71	48
72	1
73	0
74	33
75	32
76	17
77	16
78	49
79	48

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

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