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.

A118413 Triangle read by rows: T(n,k) = (2*n-1)*2^(k-1), 0

Table of values

n a(n)
1 1
2 3
3 6
4 5
5 10
6 20
7 7
8 14
9 28
10 56
11 9
12 18
13 36
14 72
15 144
16 11
17 22
18 44
19 88
20 176
21 352
22 13
23 26
24 52
25 104
26 208
27 416
28 832
29 15
30 30
31 60
32 120
33 240
34 480
35 960
36 1920
37 17
38 34
39 68
40 136
41 272
42 544
43 1088
44 2176
45 4352
46 19
47 38
48 76
49 152
50 304
51 608
52 1216
53 2432
54 4864
55 9728
56 21
57 42
58 84
59 168

List of values

[1, 3, 6, 5, 10, 20, 7, 14, 28, 56, 9, 18, 36, 72, 144, 11, 22, 44, 88, 176, 352, 13, 26, 52, 104, 208, 416, 832, 15, 30, 60, 120, 240, 480, 960, 1920, 17, 34, 68, 136, 272, 544, 1088, 2176, 4352, 19, 38, 76, 152, 304, 608, 1216, 2432, 4864, 9728, 21, 42, 84, 168]