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.

A301744 Numbers k such that 2^k - 2*k + 1 is prime.

Table of values

n a(n)
1 0
2 3
3 5
4 6
5 8
6 11
7 12
8 13
9 18
10 25
11 31
12 35
13 114
14 152
15 186
16 228
17 245
18 308
19 360
20 371
21 575
22 685
23 721
24 732
25 1361
26 2394
27 3138
28 3446
29 5964
30 9482
31 22793
32 51233
33 112800
34 120491
35 199615
36 416641

List of values

[0, 3, 5, 6, 8, 11, 12, 13, 18, 25, 31, 35, 114, 152, 186, 228, 245, 308, 360, 371, 575, 685, 721, 732, 1361, 2394, 3138, 3446, 5964, 9482, 22793, 51233, 112800, 120491, 199615, 416641]

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

Content is available under The OEIS End-User License Agreement.