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.

A271377 Numbers k such that (28*10^k - 43)/3 is prime.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 13
9 43
10 112
11 114
12 127
13 242
14 247
15 251
16 335
17 450
18 616
19 816
20 1237
21 1448
22 4303
23 4865
24 5414
25 6427
26 9045
27 10391
28 12651
29 25071
30 27901
31 50362
32 58843
33 67378
34 68107
35 262655

List of values

[1, 2, 3, 4, 5, 6, 7, 13, 43, 112, 114, 127, 242, 247, 251, 335, 450, 616, 816, 1237, 1448, 4303, 4865, 5414, 6427, 9045, 10391, 12651, 25071, 27901, 50362, 58843, 67378, 68107, 262655]