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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.

A138248 Prime numbers k such that 18*k - 1 and 18*k + 1 are twin primes.

Table of values

n a(n)
1 11
2 29
3 59
4 71
5 181
6 199
7 241
8 251
9 431
10 491
11 809
12 991
13 1051
14 1109
15 1151
16 1231
17 1249
18 1289
19 1319
20 1459
21 1571
22 1931
23 1949
24 2099
25 2411
26 2729
27 2909
28 2939
29 3301
30 3461
31 3499
32 3511
33 3881
34 3889
35 4201
36 4231
37 4651
38 4679
39 4721
40 4889
41 5011
42 5081
43 5209
44 5639
45 6299

List of values

[11, 29, 59, 71, 181, 199, 241, 251, 431, 491, 809, 991, 1051, 1109, 1151, 1231, 1249, 1289, 1319, 1459, 1571, 1931, 1949, 2099, 2411, 2729, 2909, 2939, 3301, 3461, 3499, 3511, 3881, 3889, 4201, 4231, 4651, 4679, 4721, 4889, 5011, 5081, 5209, 5639, 6299]

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

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