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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.

A266383 Total number of ON (black) cells after n iterations of the "Rule 22" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 4
2 6
3 12
4 14
5 20
6 24
7 36
8 38
9 44
10 48
11 60
12 64
13 76
14 84
15 108
16 110
17 116
18 120
19 132
20 136
21 148
22 156
23 180
24 184
25 196
26 204
27 228
28 236
29 260
30 276
31 324
32 326
33 332
34 336
35 348
36 352
37 364
38 372
39 396
40 400
41 412
42 420
43 444
44 452
45 476
46 492
47 540
48 544
49 556
50 564
51 588
52 596
53 620
54 636

List of values

[1, 4, 6, 12, 14, 20, 24, 36, 38, 44, 48, 60, 64, 76, 84, 108, 110, 116, 120, 132, 136, 148, 156, 180, 184, 196, 204, 228, 236, 260, 276, 324, 326, 332, 336, 348, 352, 364, 372, 396, 400, 412, 420, 444, 452, 476, 492, 540, 544, 556, 564, 588, 596, 620, 636]

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

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