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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.

A334525 Number of ordered triples (w,x,y) with all terms in {-n,...,0,...,n} and w^2 + 7xy = 0.

Table of values

n a(n)
0 1
1 5
2 9
3 13
4 17
5 21
6 25
7 37
8 41
9 45
10 49
11 53
12 57
13 61
14 81
15 85
16 89
17 93
18 97
19 101
20 105
21 125
22 129
23 133
24 137
25 141
26 145
27 149
28 185
29 189
30 193
31 197
32 201
33 205
34 209
35 229
36 233
37 237
38 241
39 245
40 249
41 253
42 297
43 301
44 305
45 309
46 313
47 317
48 321
49 333
50 337
51 341
52 345
53 349
54 353
55 357
56 393
57 397

List of values

[1, 5, 9, 13, 17, 21, 25, 37, 41, 45, 49, 53, 57, 61, 81, 85, 89, 93, 97, 101, 105, 125, 129, 133, 137, 141, 145, 149, 185, 189, 193, 197, 201, 205, 209, 229, 233, 237, 241, 245, 249, 253, 297, 301, 305, 309, 313, 317, 321, 333, 337, 341, 345, 349, 353, 357, 393, 397]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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