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.

A211519 Number of ordered triples (w,x,y) with all terms in {1,...,n} and w=2x-3y.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 6
6 8
7 11
8 15
9 19
10 23
11 29
12 34
13 40
14 47
15 54
16 61
17 70
18 78
19 87
20 97
21 107
22 117
23 129
24 140
25 152
26 165
27 178
28 191
29 206
30 220
31 235
32 251
33 267
34 283
35 301
36 318
37 336
38 355
39 374
40 393
41 414
42 434
43 455
44 477
45 499
46 521
47 545
48 568
49 592
50 617
51 642
52 667
53 694
54 720
55 747
56 775

List of values

[0, 1, 2, 3, 6, 8, 11, 15, 19, 23, 29, 34, 40, 47, 54, 61, 70, 78, 87, 97, 107, 117, 129, 140, 152, 165, 178, 191, 206, 220, 235, 251, 267, 283, 301, 318, 336, 355, 374, 393, 414, 434, 455, 477, 499, 521, 545, 568, 592, 617, 642, 667, 694, 720, 747, 775]