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.

A050108 a(n) = floor(a(n-1)/4) if this is positive and not yet in the sequence, otherwise a(n) = 5*a(n-1).

Table of values

n a(n)
1 1
2 5
3 25
4 6
5 30
6 7
7 35
8 8
9 2
10 10
11 50
12 12
13 3
14 15
15 75
16 18
17 4
18 20
19 100
20 500
21 125
22 31
23 155
24 38
25 9
26 45
27 11
28 55
29 13
30 65
31 16
32 80
33 400
34 2000
35 10000
36 2500
37 625
38 156
39 39
40 195
41 48
42 240
43 60
44 300
45 1500
46 375
47 93
48 23
49 115
50 28
51 140
52 700
53 175
54 43
55 215

List of values

[1, 5, 25, 6, 30, 7, 35, 8, 2, 10, 50, 12, 3, 15, 75, 18, 4, 20, 100, 500, 125, 31, 155, 38, 9, 45, 11, 55, 13, 65, 16, 80, 400, 2000, 10000, 2500, 625, 156, 39, 195, 48, 240, 60, 300, 1500, 375, 93, 23, 115, 28, 140, 700, 175, 43, 215]