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.

A212756 Number of (w,x,y,z) with all terms in {0,...,n} and 2w-x=max{w,x,y,z}-min{w,x,y,z}.

Table of values

n a(n)
0 1
1 4
2 17
3 32
4 71
5 104
6 187
7 247
8 380
9 484
10 685
11 823
12 1122
13 1311
14 1690
15 1963
16 2452
17 2767
18 3416
19 3806
20 4557
21 5079
22 5982
23 6546
24 7679
25 8342
26 9591
27 10442
28 11885
29 12770
30 14521
31 15529
32 17402
33 18662
34 20771
35 22049
36 24552
37 25977
38 28600
39 30349

List of values

[1, 4, 17, 32, 71, 104, 187, 247, 380, 484, 685, 823, 1122, 1311, 1690, 1963, 2452, 2767, 3416, 3806, 4557, 5079, 5982, 6546, 7679, 8342, 9591, 10442, 11885, 12770, 14521, 15529, 17402, 18662, 20771, 22049, 24552, 25977, 28600, 30349]