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.

A213502 Number of (w,x,y) with all terms in {0,...,n} and x != min(|w-x|, |x-y|).

Table of values

n a(n)
0 0
1 4
2 17
3 47
4 98
5 178
6 291
7 445
8 644
9 896
10 1205
11 1579
12 2022
13 2542
14 3143
15 3833
16 4616
17 5500
18 6489
19 7591
20 8810
21 10154
22 11627
23 13237
24 14988
25 16888
26 18941
27 21155
28 23534
29 26086
30 28815
31 31729
32 34832
33 38132
34 41633
35 45343
36 49266
37 53410
38 57779

List of values

[0, 4, 17, 47, 98, 178, 291, 445, 644, 896, 1205, 1579, 2022, 2542, 3143, 3833, 4616, 5500, 6489, 7591, 8810, 10154, 11627, 13237, 14988, 16888, 18941, 21155, 23534, 26086, 28815, 31729, 34832, 38132, 41633, 45343, 49266, 53410, 57779]