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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.

A309384 Number of black squares after n moves of a variant of Langton's ant with turns of 45 degrees.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 7
10 8
11 9
12 10
13 11
14 12
15 11
16 10
17 11
18 12
19 13
20 14
21 15
22 14
23 13
24 14
25 15
26 16
27 17
28 18
29 19
30 20
31 21
32 20
33 21
34 22
35 23
36 24
37 25
38 24
39 23
40 24
41 25
42 26
43 25
44 24
45 25
46 26
47 27
48 28
49 29
50 28
51 29
52 30
53 29
54 30
55 31
56 30
57 31
58 32
59 33
60 34
61 35
62 34
63 35
64 36
65 37
66 36
67 37

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 8, 9, 10, 11, 12, 11, 10, 11, 12, 13, 14, 15, 14, 13, 14, 15, 16, 17, 18, 19, 20, 21, 20, 21, 22, 23, 24, 25, 24, 23, 24, 25, 26, 25, 24, 25, 26, 27, 28, 29, 28, 29, 30, 29, 30, 31, 30, 31, 32, 33, 34, 35, 34, 35, 36, 37, 36, 37]

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

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