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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.

A130761 Primes prime(n) such that at least one of the two numbers (prime(n+2)^2-prime(n)^2)/2 - 1 and (prime(n+2)^2-prime(n)^2)/2 + 1 is prime.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 13
6 19
7 29
8 31
9 37
10 41
11 43
12 53
13 59
14 61
15 67
16 71
17 79
18 83
19 97
20 107
21 127
22 139
23 149
24 157
25 179
26 181
27 191
28 197
29 227
30 229
31 239
32 251
33 263
34 283
35 293
36 307
37 347
38 349
39 353
40 373
41 419
42 439
43 443
44 463
45 467
46 479
47 499
48 523
49 541
50 569
51 601
52 607
53 613
54 617
55 619

List of values

[3, 5, 7, 11, 13, 19, 29, 31, 37, 41, 43, 53, 59, 61, 67, 71, 79, 83, 97, 107, 127, 139, 149, 157, 179, 181, 191, 197, 227, 229, 239, 251, 263, 283, 293, 307, 347, 349, 353, 373, 419, 439, 443, 463, 467, 479, 499, 523, 541, 569, 601, 607, 613, 617, 619]

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

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