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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.

A097267 Least positive integer that is the diagonal of n primitive Pythagorean quadruples, or zero if no such integer exists.

Table of values

n a(n)
0 1
1 3
2 9
3 19
4 21
5 27
6 39
7 33
8 59
9 51
10 75
11 57
12 63
13 103
14 81
15 0
16 93
17 121
18 111
19 99
20 133
21 123
22 181
23 129
24 141
25 153
26 159
27 211
28 147
29 227
30 183
31 171
32 217
33 263
34 271
35 201
36 189
37 219
38 0
39 307
40 237
41 243
42 261
43 249
44 301
45 267
46 367
47 485
48 231
49 291
50 303
51 409
52 309
53 419
54 327
55 297

List of values

[1, 3, 9, 19, 21, 27, 39, 33, 59, 51, 75, 57, 63, 103, 81, 0, 93, 121, 111, 99, 133, 123, 181, 129, 141, 153, 159, 211, 147, 227, 183, 171, 217, 263, 271, 201, 189, 219, 0, 307, 237, 243, 261, 249, 301, 267, 367, 485, 231, 291, 303, 409, 309, 419, 327, 297]

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

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