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.

A213493 Number of (w,x,y) with all terms in {0,...,n} and the numbers w,x,y,|w-x|,|x-y|,|y-w| distinct.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 12
7 48
8 96
9 204
10 300
11 480
12 684
13 972
14 1260
15 1692
16 2124
17 2700
18 3288
19 4044
20 4812
21 5784
22 6744
23 7932
24 9144
25 10584
26 12024
27 13752
28 15480
29 17496
30 19524
31 21864
32 24216
33 26916
34 29604
35 32664
36 35748
37 39204
38 42660
39 46548
40 50436
41 54756

List of values

[0, 0, 0, 0, 0, 0, 12, 48, 96, 204, 300, 480, 684, 972, 1260, 1692, 2124, 2700, 3288, 4044, 4812, 5784, 6744, 7932, 9144, 10584, 12024, 13752, 15480, 17496, 19524, 21864, 24216, 26916, 29604, 32664, 35748, 39204, 42660, 46548, 50436, 54756]