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.

A272742 Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 526", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 9
3 17
4 17
5 33
6 45
7 69
8 61
9 85
10 97
11 121
12 121
13 169
14 205
15 277
16 245
17 293
18 305
19 329
20 329
21 377
22 413
23 485
24 461
25 533
26 569
27 641
28 641
29 785
30 893
31 1109
32 1005
33 1125
34 1137
35 1161
36 1161
37 1209
38 1245
39 1317
40 1293
41 1365
42 1401
43 1473
44 1473
45 1617
46 1725
47 1941
48 1845
49 1989

List of values

[1, 5, 9, 17, 17, 33, 45, 69, 61, 85, 97, 121, 121, 169, 205, 277, 245, 293, 305, 329, 329, 377, 413, 485, 461, 533, 569, 641, 641, 785, 893, 1109, 1005, 1125, 1137, 1161, 1161, 1209, 1245, 1317, 1293, 1365, 1401, 1473, 1473, 1617, 1725, 1941, 1845, 1989]