cp's OEIS Frontend

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.

A380012 Population of elementary triangular automaton rule 54 at generation n, starting from a lone 1 cell at generation 0.

Table of values

n a(n)
0 1
1 4
2 9
3 15
4 21
5 36
6 36
7 57
8 66
9 87
10 81
11 129
12 129
13 162
14 162
15 225
16 228
17 270
18 267
19 351
20 324
21 342
22 483
23 411
24 468
25 516
26 588
27 639
28 600
29 723
30 762
31 777
32 795
33 960
34 888
35 1071
36 972
37 1056
38 1323
39 1158
40 1242
41 1362
42 1362
43 1557
44 1449
45 1689
46 1677
47 1845
48 1710
49 1977
50 2007
51 2100
52 2166
53 2178
54 2499
55 2409
56 2430
57 2556

List of values

[1, 4, 9, 15, 21, 36, 36, 57, 66, 87, 81, 129, 129, 162, 162, 225, 228, 270, 267, 351, 324, 342, 483, 411, 468, 516, 588, 639, 600, 723, 762, 777, 795, 960, 888, 1071, 972, 1056, 1323, 1158, 1242, 1362, 1362, 1557, 1449, 1689, 1677, 1845, 1710, 1977, 2007, 2100, 2166, 2178, 2499, 2409, 2430, 2556]

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

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