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.

A305260 A linear mapping a(n) = x + y*n of pairs of nonnegative integers (x,y), where the pairs are enumerated first by radial coordinate r and in case of ties, by polar angle 0 <= phi <= Pi/2 in a polar coordinate system.

Table of values

n a(n)
0 0
1 1
2 2
3 4
4 2
5 10
6 8
7 15
8 18
9 3
10 30
11 14
12 37
13 29
14 44
15 4
16 64
17 21
18 73
19 60
20 44
21 86
22 5
23 73
24 99
25 125
26 31
27 136
28 61
29 147
30 124
31 98
32 163
33 6
34 204
35 41
36 217
37 80
38 230
39 161
40 204
41 129
42 255
43 7
44 308
45 52
46 235
47 330
48 198
49 298
50 107
51 359
52 163
53 374
54 276
55 335
56 8
57 456
58 66
59 243
60 424
61 489
62 132
63 506
64 390
65 203
66 531

List of values

[0, 1, 2, 4, 2, 10, 8, 15, 18, 3, 30, 14, 37, 29, 44, 4, 64, 21, 73, 60, 44, 86, 5, 73, 99, 125, 31, 136, 61, 147, 124, 98, 163, 6, 204, 41, 217, 80, 230, 161, 204, 129, 255, 7, 308, 52, 235, 330, 198, 298, 107, 359, 163, 374, 276, 335, 8, 456, 66, 243, 424, 489, 132, 506, 390, 203, 531]