cp's OEIS Frontend

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.

A105025 Write numbers in binary under each other; to get the next block of 2^k (k >= 0) terms of the sequence, start at 2^k, read diagonals in downward direction and convert to decimal.

Table of values

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

List of values

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