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.

A264731 Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = prime(2^(n-1)*(2*k-1)), n,k >= 1.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 13
6 11
7 19
8 37
9 29
10 17
11 53
12 89
13 71
14 43
15 23
16 131
17 223
18 173
19 107
20 61
21 31
22 311
23 503
24 409
25 263
26 151
27 79
28 41
29 719
30 1163
31 941
32 613
33 359
34 193
35 101
36 47
37 1619
38 2657
39 2129
40 1423
41 827
42 457
43 239
44 113
45 59
46 3671
47 5849
48 4751
49 3167
50 1877
51 1049
52 569
53 281
54 139
55 67

List of values

[2, 3, 5, 7, 13, 11, 19, 37, 29, 17, 53, 89, 71, 43, 23, 131, 223, 173, 107, 61, 31, 311, 503, 409, 263, 151, 79, 41, 719, 1163, 941, 613, 359, 193, 101, 47, 1619, 2657, 2129, 1423, 827, 457, 239, 113, 59, 3671, 5849, 4751, 3167, 1877, 1049, 569, 281, 139, 67]