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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.

A265225 Total number of ON (black) cells after n iterations of the "Rule 54" 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 15
5 24
6 28
7 40
8 45
9 60
10 66
11 84
12 91
13 112
14 120
15 144
16 153
17 180
18 190
19 220
20 231
21 264
22 276
23 312
24 325
25 364
26 378
27 420
28 435
29 480
30 496
31 544
32 561
33 612
34 630
35 684
36 703
37 760
38 780
39 840
40 861
41 924
42 946
43 1012
44 1035
45 1104
46 1128
47 1200
48 1225
49 1300
50 1326
51 1404
52 1431

List of values

[1, 4, 6, 12, 15, 24, 28, 40, 45, 60, 66, 84, 91, 112, 120, 144, 153, 180, 190, 220, 231, 264, 276, 312, 325, 364, 378, 420, 435, 480, 496, 544, 561, 612, 630, 684, 703, 760, 780, 840, 861, 924, 946, 1012, 1035, 1104, 1128, 1200, 1225, 1300, 1326, 1404, 1431]

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

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