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.

A261928 a(n) is the number of different pairs (x*y,x+y) mod n.

Table of values

n a(n)
1 1
2 3
3 6
4 8
5 15
6 18
7 28
8 28
9 36
10 45
11 66
12 48
13 91
14 84
15 90
16 96
17 153
18 108
19 190
20 120
21 168
22 198
23 276
24 168
25 275
26 273
27 297
28 224
29 435
30 270
31 496
32 368
33 396
34 459
35 420
36 288
37 703
38 570
39 546
40 420
41 861
42 504
43 946
44 528
45 540
46 828
47 1128
48 576
49 1078
50 825
51 918
52 728
53 1431
54 891
55 990
56 784
57 1140
58 1305
59 1770
60 720
61 1891
62 1488
63 1008
64 1408
65 1365
66 1188
67 2278

List of values

[1, 3, 6, 8, 15, 18, 28, 28, 36, 45, 66, 48, 91, 84, 90, 96, 153, 108, 190, 120, 168, 198, 276, 168, 275, 273, 297, 224, 435, 270, 496, 368, 396, 459, 420, 288, 703, 570, 546, 420, 861, 504, 946, 528, 540, 828, 1128, 576, 1078, 825, 918, 728, 1431, 891, 990, 784, 1140, 1305, 1770, 720, 1891, 1488, 1008, 1408, 1365, 1188, 2278]