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.

A211646 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 0
2 1
3 4
4 10
5 17
6 20
7 26
8 35
9 44
10 54
11 60
12 75
13 87
14 96
15 108
16 120
17 133
18 145
19 163
20 178
21 196
22 202
23 220
24 238
25 256
26 278
27 284
28 308
29 329
30 347
31 365
32 383
33 401
34 428
35 440
36 467
37 495
38 504
39 528
40 549
41 576
42 594
43 612
44 645
45 678
46 690
47 717
48 735
49 765
50 790
51 814
52 853
53 871

List of values

[0, 0, 1, 4, 10, 17, 20, 26, 35, 44, 54, 60, 75, 87, 96, 108, 120, 133, 145, 163, 178, 196, 202, 220, 238, 256, 278, 284, 308, 329, 347, 365, 383, 401, 428, 440, 467, 495, 504, 528, 549, 576, 594, 612, 645, 678, 690, 717, 735, 765, 790, 814, 853, 871]