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.

A239492 The fifth bicycle lock sequence: a(n) is the maximum value of min{x*y, (5-x)*(n-y)} over 0 <= x <= 5, 0 <= y <= n for integers x, y.

Table of values

n a(n)
0 0
1 0
2 2
3 3
4 4
5 6
6 6
7 8
8 9
9 10
10 12
11 12
12 14
13 15
14 16
15 18
16 18
17 20
18 21
19 22
20 24
21 24
22 26
23 27
24 28
25 30
26 30
27 32
28 33
29 34
30 36
31 36
32 38
33 39
34 40
35 42
36 42
37 44
38 45
39 46
40 48
41 48
42 50
43 51
44 52
45 54
46 54
47 56
48 57
49 58
50 60
51 60
52 62
53 63
54 64
55 66
56 66
57 68
58 69
59 70
60 72
61 72
62 74
63 75
64 76
65 78
66 78
67 80
68 81
69 82
70 84
71 84
72 86
73 87
74 88
75 90
76 90

List of values

[0, 0, 2, 3, 4, 6, 6, 8, 9, 10, 12, 12, 14, 15, 16, 18, 18, 20, 21, 22, 24, 24, 26, 27, 28, 30, 30, 32, 33, 34, 36, 36, 38, 39, 40, 42, 42, 44, 45, 46, 48, 48, 50, 51, 52, 54, 54, 56, 57, 58, 60, 60, 62, 63, 64, 66, 66, 68, 69, 70, 72, 72, 74, 75, 76, 78, 78, 80, 81, 82, 84, 84, 86, 87, 88, 90, 90]