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.

A212745 Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-2*min{w,x,y,z}.

Table of values

n a(n)
0 1
1 8
2 27
3 83
4 162
5 277
6 495
7 730
8 1025
9 1513
10 1988
11 2547
12 3413
13 4212
14 5119
15 6471
16 7678
17 9017
18 10963
19 12662
20 14517
21 17165
22 19440
23 21895
24 25353
25 28288
26 31427
27 35803
28 39482
29 43389
30 48791
31 53298
32 58057
33 64593
34 70012
35 75707
36 83485
37 89900

List of values

[1, 8, 27, 83, 162, 277, 495, 730, 1025, 1513, 1988, 2547, 3413, 4212, 5119, 6471, 7678, 9017, 10963, 12662, 14517, 17165, 19440, 21895, 25353, 28288, 31427, 35803, 39482, 43389, 48791, 53298, 58057, 64593, 70012, 75707, 83485, 89900]