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.

A083219 a(n) = n - 2*floor(n/4).

Table of values

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

List of values

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