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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.

A271258 First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 324", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 3
1 1
2 7
3 -4
4 16
5 1
6 15
7 -7
8 11
9 -4
10 48
11 -11
12 23
13 21
14 55
15 -39
16 27
17 -23
18 63
19 13
20 71
21 21
22 75
23 -31
24 51
25 -3
26 107
27 5
28 51
29 37
30 123
31 -23
32 -29
33 57
34 95
35 25
36 115
37 17
38 187
39 -39
40 -5
41 -11
42 155
43 73
44 83
45 73
46 147
47 -19
48 39
49 -11
50 203
51 13
52 147
53 21
54 219
55 -35
56 95
57 13
58 219
59 41

List of values

[3, 1, 7, -4, 16, 1, 15, -7, 11, -4, 48, -11, 23, 21, 55, -39, 27, -23, 63, 13, 71, 21, 75, -31, 51, -3, 107, 5, 51, 37, 123, -23, -29, 57, 95, 25, 115, 17, 187, -39, -5, -11, 155, 73, 83, 73, 147, -19, 39, -11, 203, 13, 147, 21, 219, -35, 95, 13, 219, 41]

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

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