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.

A213045 Number of (w,x,y) with all terms in {0,...,n} and 2*|w-x| > max(w,x,y) - min(w,x,y).

Table of values

n a(n)
0 0
1 4
2 14
3 36
4 72
5 128
6 206
7 312
8 448
9 620
10 830
11 1084
12 1384
13 1736
14 2142
15 2608
16 3136
17 3732
18 4398
19 5140
20 5960
21 6864
22 7854
23 8936
24 10112
25 11388
26 12766
27 14252
28 15848
29 17560
30 19390
31 21344
32 23424
33 25636
34 27982
35 30468
36 33096
37 35872
38 38798
39 41880

List of values

[0, 4, 14, 36, 72, 128, 206, 312, 448, 620, 830, 1084, 1384, 1736, 2142, 2608, 3136, 3732, 4398, 5140, 5960, 6864, 7854, 8936, 10112, 11388, 12766, 14252, 15848, 17560, 19390, 21344, 23424, 25636, 27982, 30468, 33096, 35872, 38798, 41880]