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.

A202257 Number of zero-sum -n..n arrays of 7 elements with adjacent element differences also in -n..n.

Table of values

n a(n)
1 75
2 1415
3 10239
4 45523
5 150523
6 408211
7 960501
8 2031401
9 3953913
10 7200915
11 12419753
12 20470827
13 32469879
14 49834303
15 74333103
16 108140939
17 153895771
18 214760605
19 294488845
20 397493755
21 528921481
22 694728253
23 901761087
24 1157842693

List of values

[75, 1415, 10239, 45523, 150523, 408211, 960501, 2031401, 3953913, 7200915, 12419753, 20470827, 32469879, 49834303, 74333103, 108140939, 153895771, 214760605, 294488845, 397493755, 528921481, 694728253, 901761087, 1157842693]