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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.

A359185 Numbers k such that for any positive integers x,y, if x*y=k then (x+y)^2+1 is a prime number.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 13
6 19
7 23
8 25
9 39
10 53
11 55
12 73
13 83
14 89
15 109
16 119
17 133
18 149
19 155
20 159
21 169
22 179
23 203
24 223
25 229
26 239
27 263
28 269
29 283
30 299
31 305
32 313
33 339
34 349
35 383
36 395
37 419
38 439
39 443
40 463
41 469
42 473
43 543
44 569
45 593
46 643
47 653
48 673
49 689
50 699
51 703
52 713
53 739
54 763
55 859
56 863
57 889
58 909

List of values

[1, 3, 5, 9, 13, 19, 23, 25, 39, 53, 55, 73, 83, 89, 109, 119, 133, 149, 155, 159, 169, 179, 203, 223, 229, 239, 263, 269, 283, 299, 305, 313, 339, 349, 383, 395, 419, 439, 443, 463, 469, 473, 543, 569, 593, 643, 653, 673, 689, 699, 703, 713, 739, 763, 859, 863, 889, 909]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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