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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.

A130097 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 not prime.

Table of values

n a(n)
1 3
2 5
3 11
4 13
5 17
6 23
7 29
8 31
9 41
10 43
11 47
12 53
13 59
14 73
15 79
16 83
17 89
18 101
19 103
20 109
21 113
22 131
23 137
24 139
25 149
26 151
27 163
28 167
29 173
30 179
31 181
32 191
33 193
34 197
35 199
36 211
37 223
38 227
39 233
40 239
41 241
42 251
43 257
44 263
45 269
46 271
47 277
48 281
49 283
50 293
51 307
52 311
53 313
54 317
55 331
56 337

List of values

[3, 5, 11, 13, 17, 23, 29, 31, 41, 43, 47, 53, 59, 73, 79, 83, 89, 101, 103, 109, 113, 131, 137, 139, 149, 151, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337]

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

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