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.

A274519 Numbers k for which 4^k - 27 is prime.

Table of values

n a(n)
1 3
2 4
3 5
4 10
5 11
6 13
7 25
8 28
9 29
10 65
11 70
12 115
13 305
14 515
15 2029
16 2393
17 2605
18 3530
19 4036
20 4750
21 10288
22 11048
23 11596
24 29359
25 32123
26 47371

List of values

[3, 4, 5, 10, 11, 13, 25, 28, 29, 65, 70, 115, 305, 515, 2029, 2393, 2605, 3530, 4036, 4750, 10288, 11048, 11596, 29359, 32123, 47371]