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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.

A371944 The binary expansion of a(n) corresponds to the ordinal transform (reduced modulo 2) of the binary expansion of n.

Table of values

n a(n)
0 0
1 1
2 3
3 2
4 6
5 6
6 5
7 5
8 13
9 12
10 12
11 13
12 10
13 11
14 11
15 10
16 26
17 26
18 25
19 25
20 25
21 25
22 26
23 26
24 21
25 21
26 22
27 22
28 22
29 22
30 21
31 21
32 53
33 52
34 52
35 53
36 50
37 51
38 51
39 50
40 50
41 51
42 51
43 50
44 53
45 52
46 52
47 53
48 42
49 43
50 43
51 42
52 45
53 44
54 44
55 45
56 45
57 44
58 44
59 45
60 42
61 43
62 43
63 42
64 106
65 106

List of values

[0, 1, 3, 2, 6, 6, 5, 5, 13, 12, 12, 13, 10, 11, 11, 10, 26, 26, 25, 25, 25, 25, 26, 26, 21, 21, 22, 22, 22, 22, 21, 21, 53, 52, 52, 53, 50, 51, 51, 50, 50, 51, 51, 50, 53, 52, 52, 53, 42, 43, 43, 42, 45, 44, 44, 45, 45, 44, 44, 45, 42, 43, 43, 42, 106, 106]

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