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.

A023206 Numbers m such that m and 2*m + 7 both prime.

Table of values

n a(n)
1 2
2 3
3 5
4 11
5 17
6 23
7 41
8 47
9 53
10 71
11 83
12 113
13 131
14 137
15 173
16 191
17 197
18 227
19 251
20 257
21 281
22 293
23 317
24 347
25 383
26 401
27 461
28 467
29 503
30 521
31 587
32 593
33 641
34 647
35 677
36 683
37 701
38 743
39 773
40 797
41 857
42 863
43 941
44 947
45 953
46 971
47 983
48 1031
49 1061
50 1103
51 1151
52 1163
53 1187
54 1193
55 1217

List of values

[2, 3, 5, 11, 17, 23, 41, 47, 53, 71, 83, 113, 131, 137, 173, 191, 197, 227, 251, 257, 281, 293, 317, 347, 383, 401, 461, 467, 503, 521, 587, 593, 641, 647, 677, 683, 701, 743, 773, 797, 857, 863, 941, 947, 953, 971, 983, 1031, 1061, 1103, 1151, 1163, 1187, 1193, 1217]