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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.

A265205 Number of ON (black) cells in the n-th iteration of the "Rule 73" elementary cellular automaton starting with a single ON (black) cell.

Table of values

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

List of values

[1, 0, 3, 0, 7, 2, 5, 2, 9, 6, 5, 10, 13, 6, 11, 10, 15, 10, 19, 10, 23, 10, 17, 20, 19, 16, 25, 18, 19, 20, 25, 14, 37, 20, 27, 26, 35, 20, 37, 30, 41, 24, 33, 36, 39, 26, 45, 36, 37, 38, 41, 36, 49, 44, 29, 56, 39, 40, 57, 40, 43, 60, 39, 48, 55, 44, 45, 64]

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

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