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.

A002257 Numbers k such that 13*4^k + 1 is prime.

Table of values

n a(n)
1 1
2 4
3 5
4 10
5 14
6 41
7 94
8 154
9 158
10 500
11 14140
12 19004
13 21928
14 44009
15 54629
16 57148
17 260653
18 281228
19 342280
20 519448
21 749938
22 930866

List of values

[1, 4, 5, 10, 14, 41, 94, 154, 158, 500, 14140, 19004, 21928, 44009, 54629, 57148, 260653, 281228, 342280, 519448, 749938, 930866]