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.

A317105 Squares visited by a (1,3)-leaper on a spirally numbered board and moving to the lowest available unvisited square at each step, squares labelled >=0.

Table of values

n a(n)
0 0
1 26
2 12
3 4
4 10
5 6
6 14
7 8
8 18
9 2
10 16
11 32
12 54
13 84
14 24
15 28
16 50
17 46
18 20
19 38
20 62
21 94
22 56
23 86
24 124
25 48
26 22
27 40
28 66
29 34
30 58
31 88
32 52
33 30
34 60
35 36
36 68
37 42
38 76
39 112
40 70
41 44
42 72
43 106
44 148
45 100
46 140
47 188
48 134
49 180
50 128
51 90
52 136
53 96
54 64
55 104
56 146
57 98
58 138
59 92
60 130
61 176
62 230

List of values

[0, 26, 12, 4, 10, 6, 14, 8, 18, 2, 16, 32, 54, 84, 24, 28, 50, 46, 20, 38, 62, 94, 56, 86, 124, 48, 22, 40, 66, 34, 58, 88, 52, 30, 60, 36, 68, 42, 76, 112, 70, 44, 72, 106, 148, 100, 140, 188, 134, 180, 128, 90, 136, 96, 64, 104, 146, 98, 138, 92, 130, 176, 230]