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.

A212252 Number of (w,x,y,z) with all terms in {1,...,n} and 3w=x+y+z+n+2.

Table of values

n a(n)
0 0
1 0
2 0
3 3
4 11
5 24
6 45
7 76
8 117
9 171
10 240
11 324
12 426
13 548
14 690
15 855
16 1045
17 1260
18 1503
19 1776
20 2079
21 2415
22 2786
23 3192
24 3636
25 4120
26 4644
27 5211
28 5823
29 6480
30 7185
31 7940
32 8745
33 9603
34 10516
35 11484
36 12510
37 13596
38 14742
39 15951
40 17225
41 18564
42 19971

List of values

[0, 0, 0, 3, 11, 24, 45, 76, 117, 171, 240, 324, 426, 548, 690, 855, 1045, 1260, 1503, 1776, 2079, 2415, 2786, 3192, 3636, 4120, 4644, 5211, 5823, 6480, 7185, 7940, 8745, 9603, 10516, 11484, 12510, 13596, 14742, 15951, 17225, 18564, 19971]