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.

A211545 Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>0.

Table of values

n a(n)
0 0
1 4
2 29
3 99
4 238
5 470
6 819
7 1309
8 1964
9 2808
10 3865
11 5159
12 6714
13 8554
14 10703
15 13185
16 16024
17 19244
18 22869
19 26923
20 31430
21 36414
22 41899
23 47909
24 54468
25 61600
26 69329
27 77679
28 86674
29 96338
30 106695
31 117769
32 129584
33 142164
34 155533
35 169715
36 184734
37 200614
38 217379

List of values

[0, 4, 29, 99, 238, 470, 819, 1309, 1964, 2808, 3865, 5159, 6714, 8554, 10703, 13185, 16024, 19244, 22869, 26923, 31430, 36414, 41899, 47909, 54468, 61600, 69329, 77679, 86674, 96338, 106695, 117769, 129584, 142164, 155533, 169715, 184734, 200614, 217379]