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.

A212563 Number of (w,x,y,z) with all terms in {1,...,n} and w+x<=2y+2z.

Table of values

n a(n)
0 0
1 1
2 16
3 78
4 240
5 577
6 1182
7 2172
8 3680
9 5865
10 8900
11 12986
12 18336
13 25193
14 33810
15 44472
16 57472
17 73137
18 91800
19 113830
20 139600
21 169521
22 204006
23 243508
24 288480
25 339417
26 396812
27 461202
28 533120
29 613145
30 701850
31 799856
32 907776
33 1026273
34 1156000
35 1297662
36 1451952

List of values

[0, 1, 16, 78, 240, 577, 1182, 2172, 3680, 5865, 8900, 12986, 18336, 25193, 33810, 44472, 57472, 73137, 91800, 113830, 139600, 169521, 204006, 243508, 288480, 339417, 396812, 461202, 533120, 613145, 701850, 799856, 907776, 1026273, 1156000, 1297662, 1451952]