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.

A209544 Primes not expressed in form n<+>2, where operation <+> defined in A206853.

Table of values

n a(n)
1 3
2 17
3 41
4 73
5 89
6 97
7 113
8 137
9 193
10 233
11 241
12 257
13 281
14 313
15 337
16 353
17 401
18 409
19 433
20 449
21 457
22 521
23 569
24 577
25 593
26 601
27 617
28 641
29 673
30 761
31 769
32 809
33 857
34 881
35 929
36 937
37 953
38 977
39 1009
40 1033
41 1049
42 1097
43 1129
44 1153
45 1193
46 1201
47 1217
48 1249
49 1289
50 1297
51 1321

List of values

[3, 17, 41, 73, 89, 97, 113, 137, 193, 233, 241, 257, 281, 313, 337, 353, 401, 409, 433, 449, 457, 521, 569, 577, 593, 601, 617, 641, 673, 761, 769, 809, 857, 881, 929, 937, 953, 977, 1009, 1033, 1049, 1097, 1129, 1153, 1193, 1201, 1217, 1249, 1289, 1297, 1321]

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

Content is available under The OEIS End-User License Agreement.