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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.

A233471 a(n) = 3^n mod n^2.

Table of values

n a(n)
1 0
2 1
3 0
4 1
5 18
6 9
7 31
8 33
9 0
10 49
11 3
12 81
13 146
14 177
15 207
16 65
17 224
18 81
19 307
20 1
21 342
22 9
23 118
24 225
25 68
26 529
27 0
28 753
29 467
30 549
31 623
32 641
33 27
34 757
35 607
36 81
37 632
38 389
39 846
40 801
41 905
42 981
43 261
44 81
45 243
46 1757
47 1554
48 2241
49 2383
50 249
51 792
52 1329
53 851
54 729
55 1332
56 2529
57 1737
58 2793
59 298

List of values

[0, 1, 0, 1, 18, 9, 31, 33, 0, 49, 3, 81, 146, 177, 207, 65, 224, 81, 307, 1, 342, 9, 118, 225, 68, 529, 0, 753, 467, 549, 623, 641, 27, 757, 607, 81, 632, 389, 846, 801, 905, 981, 261, 81, 243, 1757, 1554, 2241, 2383, 249, 792, 1329, 851, 729, 1332, 2529, 1737, 2793, 298]

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

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