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.

A268690 A268642 with a(n+1) = 5*n if ceiling(a(n)/2) is already in the sequence.

Table of values

n a(n)
1 1
2 5
3 3
4 2
5 10
6 50
7 25
8 13
9 7
10 4
11 20
12 100
13 500
14 250
15 125
16 63
17 32
18 16
19 8
20 40
21 200
22 1000
23 5000
24 2500
25 1250
26 625
27 313
28 157
29 79
30 395
31 198
32 99
33 495
34 248
35 124
36 62
37 31
38 155
39 78
40 39
41 195
42 98
43 49
44 245
45 123
46 615
47 308
48 154
49 77

List of values

[1, 5, 3, 2, 10, 50, 25, 13, 7, 4, 20, 100, 500, 250, 125, 63, 32, 16, 8, 40, 200, 1000, 5000, 2500, 1250, 625, 313, 157, 79, 395, 198, 99, 495, 248, 124, 62, 31, 155, 78, 39, 195, 98, 49, 245, 123, 615, 308, 154, 77]