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.

A212757 Number of (w,x,y,z) with all terms in {0,...,n} and 2w=max{w,x,y,z}-min{w,x,y,z}.

Table of values

n a(n)
0 1
1 1
2 13
3 32
4 56
5 80
6 177
7 213
8 297
9 472
10 580
11 688
12 1037
13 1169
14 1385
15 1872
16 2124
17 2376
18 3133
19 3421
20 3829
21 4784
22 5240
23 5696
24 7017
25 7521
26 8181
27 9760
28 10480
29 11200
30 13241
31 14021
32 14993
33 17352
34 18396
35 19440
36 22357
37 23473
38 24817
39 28112
40 29540

List of values

[1, 1, 13, 32, 56, 80, 177, 213, 297, 472, 580, 688, 1037, 1169, 1385, 1872, 2124, 2376, 3133, 3421, 3829, 4784, 5240, 5696, 7017, 7521, 8181, 9760, 10480, 11200, 13241, 14021, 14993, 17352, 18396, 19440, 22357, 23473, 24817, 28112, 29540]