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.

A200167 Number of -n..n arrays x(0..3) of 4 elements with nonzero sum and with zero through 3 differences all nonzero.

Table of values

n a(n)
1 0
2 76
3 576
4 2256
5 6160
6 13888
7 27160
8 48380
9 80096
10 125412
11 187552
12 270688
13 378512
14 515980
15 687836
16 899548
17 1156496
18 1465440
19 1832040
20 2263800
21 2767676
22 3351476
23 4022752
24 4790848
25 5663388
26 6650440
27 7761148
28 9005676
29 10393744
30 11937276

List of values

[0, 76, 576, 2256, 6160, 13888, 27160, 48380, 80096, 125412, 187552, 270688, 378512, 515980, 687836, 899548, 1156496, 1465440, 1832040, 2263800, 2767676, 3351476, 4022752, 4790848, 5663388, 6650440, 7761148, 9005676, 10393744, 11937276]