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.

A213480 Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| != w+x+y.

Table of values

n a(n)
0 0
1 4
2 16
3 46
4 95
5 175
6 285
7 439
8 634
9 886
10 1190
11 1564
12 2001
13 2521
14 3115
15 3805
16 4580
17 5464
18 6444
19 7546
20 8755
21 10099
22 11561
23 13171
24 14910
25 16810
26 18850
27 21064
28 23429
29 25981
30 28695
31 31609
32 34696
33 37996
34 41480
35 45190
36 49095
37 53239
38 57589

List of values

[0, 4, 16, 46, 95, 175, 285, 439, 634, 886, 1190, 1564, 2001, 2521, 3115, 3805, 4580, 5464, 6444, 7546, 8755, 10099, 11561, 13171, 14910, 16810, 18850, 21064, 23429, 25981, 28695, 31609, 34696, 37996, 41480, 45190, 49095, 53239, 57589]