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.

A272702 Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 513", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 4
2 13
3 24
4 53
5 65
6 113
7 112
8 229
9 241
10 321
11 289
12 505
13 489
14 601
15 480
16 965
17 977
18 1121
19 1025
20 1433
21 1353
22 1529
23 1217
24 2153
25 2105
26 2313
27 2033
28 2753
29 2489
30 2729
31 1984
32 3973
33 3985
34 4257
35 4033
36 4825
37 4617
38 4921
39 4225
40 6057
41 5881
42 6217
43 5553
44 6913
45 6265
46 6633

List of values

[1, 4, 13, 24, 53, 65, 113, 112, 229, 241, 321, 289, 505, 489, 601, 480, 965, 977, 1121, 1025, 1433, 1353, 1529, 1217, 2153, 2105, 2313, 2033, 2753, 2489, 2729, 1984, 3973, 3985, 4257, 4033, 4825, 4617, 4921, 4225, 6057, 5881, 6217, 5553, 6913, 6265, 6633]