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.

A270219 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 129", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 10
3 38
4 47
5 131
6 152
7 292
8 317
9 577
10 614
11 994
12 1043
13 1575
14 1660
15 2280
16 2369
17 3237
18 3338
19 4454
20 4567
21 5963
22 6112
23 7724
24 7885
25 9841
26 10038
27 12274
28 12507
29 15055
30 15396
31 18000
32 18345
33 21453
34 21810
35 25422
36 25791
37 29939
38 30344
39 34964
40 35381
41 40601
42 41054

List of values

[1, 5, 10, 38, 47, 131, 152, 292, 317, 577, 614, 994, 1043, 1575, 1660, 2280, 2369, 3237, 3338, 4454, 4567, 5963, 6112, 7724, 7885, 9841, 10038, 12274, 12507, 15055, 15396, 18000, 18345, 21453, 21810, 25422, 25791, 29939, 30344, 34964, 35381, 40601, 41054]