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.

A211647 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w^2+x^2+y^2<=3n.

Table of values

n a(n)
0 0
1 1
2 4
3 7
4 11
5 17
6 23
7 32
8 38
9 48
10 60
11 66
12 78
13 87
14 102
15 114
16 121
17 139
18 157
19 169
20 178
21 196
22 214
23 232
24 241
25 263
26 284
27 296
28 314
29 329
30 359
31 371
32 386
33 410
34 434
35 452
36 471
37 495
38 516
39 540
40 555
41 582
42 612
43 630
44 651
45 678
46 702
47 729
48 738
49 772
50 805
51 829
52 853
53 871

List of values

[0, 1, 4, 7, 11, 17, 23, 32, 38, 48, 60, 66, 78, 87, 102, 114, 121, 139, 157, 169, 178, 196, 214, 232, 241, 263, 284, 296, 314, 329, 359, 371, 386, 410, 434, 452, 471, 495, 516, 540, 555, 582, 612, 630, 651, 678, 702, 729, 738, 772, 805, 829, 853, 871]