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.

A212243 Number of (w,x,y,z) with all terms in {1,...,n} and 2wx+yz=n.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 2
5 4
6 7
7 8
8 14
9 13
10 24
11 19
12 33
13 26
14 48
15 32
16 60
17 41
18 75
19 49
20 92
21 58
22 109
23 66
24 127
25 76
26 146
27 88
28 168
29 96
30 184
31 106
32 212
33 122
34 227
35 126
36 263
37 140
38 271
39 158
40 304
41 163
42 326
43 175
44 363
45 196
46 366
47 198
48 425
49 212
50 416
51 240
52 474
53 238
54 488
55 250
56 528
57 284

List of values

[0, 0, 0, 1, 2, 4, 7, 8, 14, 13, 24, 19, 33, 26, 48, 32, 60, 41, 75, 49, 92, 58, 109, 66, 127, 76, 146, 88, 168, 96, 184, 106, 212, 122, 227, 126, 263, 140, 271, 158, 304, 163, 326, 175, 363, 196, 366, 198, 425, 212, 416, 240, 474, 238, 488, 250, 528, 284]