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.

A212973 Number of triples (w,x,y) with all terms in {0,...,n} and w <= floor((x+y)/3).

Table of values

n a(n)
0 1
1 4
2 12
3 27
4 50
5 84
6 131
7 192
8 270
9 367
10 484
11 624
12 789
13 980
14 1200
15 1451
16 1734
17 2052
18 2407
19 2800
20 3234
21 3711
22 4232
23 4800
24 5417
25 6084
26 6804
27 7579
28 8410
29 9300
30 10251
31 11264
32 12342
33 13487
34 14700
35 15984
36 17341
37 18772
38 20280
39 21867
40 23534

List of values

[1, 4, 12, 27, 50, 84, 131, 192, 270, 367, 484, 624, 789, 980, 1200, 1451, 1734, 2052, 2407, 2800, 3234, 3711, 4232, 4800, 5417, 6084, 6804, 7579, 8410, 9300, 10251, 11264, 12342, 13487, 14700, 15984, 17341, 18772, 20280, 21867, 23534]