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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A256754 a(n) = bitwise AND of n and the reverse of n.

Table of values

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

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 11, 4, 13, 8, 3, 16, 1, 16, 19, 0, 4, 22, 0, 8, 16, 26, 8, 16, 28, 2, 13, 0, 33, 34, 33, 36, 1, 2, 5, 0, 8, 8, 34, 44, 36, 0, 10, 16, 16, 0, 3, 16, 33, 36, 55, 0, 9, 16, 27, 4, 16, 26, 36, 0, 0, 66, 64, 68, 64, 6, 1, 8, 1, 10]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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