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.

A212754 Number of (w,x,y,z) with all terms in {0,...,n} and at least one of these conditions holds: wR, y>R, z>R, where R = max{w,x,y,z} - min{w,x,y,z}.

Table of values

n a(n)
0 0
1 8
2 53
3 184
4 472
5 1008
6 1905
7 3296
8 5336
9 8200
10 12085
11 17208
12 23808
13 32144
14 42497
15 55168
16 70480
17 88776
18 110421
19 135800
20 165320
21 199408
22 238513
23 283104
24 333672
25 390728
26 454805
27 526456
28 606256
29 694800
30 792705
31 900608
32 1019168

List of values

[0, 8, 53, 184, 472, 1008, 1905, 3296, 5336, 8200, 12085, 17208, 23808, 32144, 42497, 55168, 70480, 88776, 110421, 135800, 165320, 199408, 238513, 283104, 333672, 390728, 454805, 526456, 606256, 694800, 792705, 900608, 1019168]