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.

A273328 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 646", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 6
2 11
3 28
4 37
5 66
6 83
7 144
8 161
9 238
10 271
11 396
12 441
13 602
14 671
15 928
16 989
17 1270
18 1355
19 1708
20 1805
21 2194
22 2315
23 2800
24 2921
25 3454
26 3623
27 4300
28 4505
29 5290
30 5567
31 6640
32 6885
33 8006
34 8299
35 9564
36 9869
37 11170
38 11499
39 12896
40 13225
41 14670
42 15047
43 16636
44 17049
45 18746

List of values

[1, 6, 11, 28, 37, 66, 83, 144, 161, 238, 271, 396, 441, 602, 671, 928, 989, 1270, 1355, 1708, 1805, 2194, 2315, 2800, 2921, 3454, 3623, 4300, 4505, 5290, 5567, 6640, 6885, 8006, 8299, 9564, 9869, 11170, 11499, 12896, 13225, 14670, 15047, 16636, 17049, 18746]