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.

A285870 a(n) = floor(n/2) - floor((n+1)/6), n >= 0.

Table of values

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

List of values

[0, 0, 1, 1, 2, 1, 2, 2, 3, 3, 4, 3, 4, 4, 5, 5, 6, 5, 6, 6, 7, 7, 8, 7, 8, 8, 9, 9, 10, 9, 10, 10, 11, 11, 12, 11, 12, 12, 13, 13, 14, 13, 14, 14, 15, 15, 16, 15, 16, 16, 17, 17, 18, 17, 18, 18, 19, 19, 20, 19, 20, 20, 21, 21, 22, 21, 22, 22, 23, 23, 24]