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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.

A226757 a(n) = number of distinct quadruples of squares modulo n.

Table of values

n a(n)
1 1
2 16
3 16
4 16
5 81
6 256
7 256
8 81
9 256
10 1296
11 1296
12 256
13 2401
14 4096
15 1296
16 256
17 6561
18 4096
19 10000
20 1296
21 4096
22 20736
23 20736
24 1296
25 14641
26 38416
27 14641
28 4096
29 50625
30 20736
31 65536
32 2401
33 20736
34 104976
35 20736
36 4096
37 130321
38 160000
39 38416
40 6561
41 194481
42 65536

List of values

[1, 16, 16, 16, 81, 256, 256, 81, 256, 1296, 1296, 256, 2401, 4096, 1296, 256, 6561, 4096, 10000, 1296, 4096, 20736, 20736, 1296, 14641, 38416, 14641, 4096, 50625, 20736, 65536, 2401, 20736, 104976, 20736, 4096, 130321, 160000, 38416, 6561, 194481, 65536]

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

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