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.

A005385 Safe primes p: (p-1)/2 is also prime.

Table of values

n a(n)
1 5
2 7
3 11
4 23
5 47
6 59
7 83
8 107
9 167
10 179
11 227
12 263
13 347
14 359
15 383
16 467
17 479
18 503
19 563
20 587
21 719
22 839
23 863
24 887
25 983
26 1019
27 1187
28 1283
29 1307
30 1319
31 1367
32 1439
33 1487
34 1523
35 1619
36 1823
37 1907
38 2027
39 2039
40 2063
41 2099
42 2207
43 2447
44 2459
45 2579
46 2819
47 2879
48 2903
49 2963

List of values

[5, 7, 11, 23, 47, 59, 83, 107, 167, 179, 227, 263, 347, 359, 383, 467, 479, 503, 563, 587, 719, 839, 863, 887, 983, 1019, 1187, 1283, 1307, 1319, 1367, 1439, 1487, 1523, 1619, 1823, 1907, 2027, 2039, 2063, 2099, 2207, 2447, 2459, 2579, 2819, 2879, 2903, 2963]

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

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