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.

A171828 Nonnegative integers that can be made by using five fives (5 5's) and the four basic operators {+, -, *, /}.

Table of values

n a(n)
1 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 14
15 15
16 16
17 19
18 20
19 21
20 23
21 24
22 25
23 26
24 27
25 29
26 30
27 31
28 35
29 40
30 45
31 49
32 50
33 51
34 55
35 60
36 70
37 75
38 80
39 95
40 100
41 105
42 115
43 120
44 124
45 125
46 126
47 130
48 135
49 145
50 150
51 155
52 175
53 200
54 225
55 245
56 250
57 255
58 275
59 300
60 375
61 500
62 600
63 620
64 630
65 650
66 750
67 1250
68 3125

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 19, 20, 21, 23, 24, 25, 26, 27, 29, 30, 31, 35, 40, 45, 49, 50, 51, 55, 60, 70, 75, 80, 95, 100, 105, 115, 120, 124, 125, 126, 130, 135, 145, 150, 155, 175, 200, 225, 245, 250, 255, 275, 300, 375, 500, 600, 620, 630, 650, 750, 1250, 3125]