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.

A257791 Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = 2^(n+1)*(2*k - 1), n,k >= 1.

Table of values

n a(n)
1 4
2 8
3 12
4 16
5 24
6 20
7 32
8 48
9 40
10 28
11 64
12 96
13 80
14 56
15 36
16 128
17 192
18 160
19 112
20 72
21 44
22 256
23 384
24 320
25 224
26 144
27 88
28 52
29 512
30 768
31 640
32 448
33 288
34 176
35 104
36 60
37 1024
38 1536
39 1280
40 896
41 576
42 352
43 208
44 120
45 68
46 2048
47 3072
48 2560
49 1792
50 1152
51 704
52 416
53 240
54 136
55 76

List of values

[4, 8, 12, 16, 24, 20, 32, 48, 40, 28, 64, 96, 80, 56, 36, 128, 192, 160, 112, 72, 44, 256, 384, 320, 224, 144, 88, 52, 512, 768, 640, 448, 288, 176, 104, 60, 1024, 1536, 1280, 896, 576, 352, 208, 120, 68, 2048, 3072, 2560, 1792, 1152, 704, 416, 240, 136, 76]