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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.

A262867 Total number of ON (black) cells after n iterations of the "Rule 153" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 2
2 5
3 8
4 15
5 22
6 31
7 38
8 53
9 68
10 85
11 100
12 121
13 140
14 161
15 176
16 207
17 238
18 271
19 302
20 339
21 374
22 411
23 442
24 487
25 530
26 575
27 614
28 663
29 706
30 751
31 782
32 845
33 908
34 973
35 1036
36 1105
37 1172
38 1241
39 1304
40 1381
41 1456
42 1533
43 1604
44 1685
45 1760
46 1837
47 1900
48 1993
49 2084
50 2177

List of values

[1, 2, 5, 8, 15, 22, 31, 38, 53, 68, 85, 100, 121, 140, 161, 176, 207, 238, 271, 302, 339, 374, 411, 442, 487, 530, 575, 614, 663, 706, 751, 782, 845, 908, 973, 1036, 1105, 1172, 1241, 1304, 1381, 1456, 1533, 1604, 1685, 1760, 1837, 1900, 1993, 2084, 2177]

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

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