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.

A168230 a(n) = n + 2 - a(n-1) for n>1; a(1) = 0.

Table of values

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

List of values

[0, 4, 1, 5, 2, 6, 3, 7, 4, 8, 5, 9, 6, 10, 7, 11, 8, 12, 9, 13, 10, 14, 11, 15, 12, 16, 13, 17, 14, 18, 15, 19, 16, 20, 17, 21, 18, 22, 19, 23, 20, 24, 21, 25, 22, 26, 23, 27, 24, 28, 25, 29, 26, 30, 27, 31, 28, 32, 29, 33, 30, 34, 31, 35, 32, 36, 33, 37, 34, 38, 35, 39, 36, 40, 37]