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.

A269522 Number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 622", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 9
3 21
4 25
5 37
6 57
7 69
8 89
9 101
10 121
11 133
12 169
13 205
14 257
15 309
16 361
17 333
18 377
19 381
20 385
21 461
22 465
23 509
24 601
25 653
26 697
27 781
28 889
29 845
30 1097
31 1077
32 1353
33 1205
34 1305
35 1349
36 1345
37 1357
38 1321
39 1437
40 1553
41 1589
42 1601
43 1709
44 1729
45 1813
46 1937
47 2069
48 2361
49 2181

List of values

[1, 5, 9, 21, 25, 37, 57, 69, 89, 101, 121, 133, 169, 205, 257, 309, 361, 333, 377, 381, 385, 461, 465, 509, 601, 653, 697, 781, 889, 845, 1097, 1077, 1353, 1205, 1305, 1349, 1345, 1357, 1321, 1437, 1553, 1589, 1601, 1709, 1729, 1813, 1937, 2069, 2361, 2181]