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.

A030451 a(2*n) = n, a(2*n+1) = n+2.

Table of values

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

List of values

[0, 2, 1, 3, 2, 4, 3, 5, 4, 6, 5, 7, 6, 8, 7, 9, 8, 10, 9, 11, 10, 12, 11, 13, 12, 14, 13, 15, 14, 16, 15, 17, 16, 18, 17, 19, 18, 20, 19, 21, 20, 22, 21, 23, 22, 24, 23, 25, 24, 26, 25, 27, 26, 28, 27, 29, 28, 30, 29, 31, 30, 32, 31, 33, 32, 34, 33, 35, 34, 36, 35, 37, 36, 38, 37]