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.

A272421 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 470", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 6
2 14
3 38
4 59
5 115
6 147
7 236
8 301
9 441
10 537
11 738
12 887
13 1147
14 1347
15 1644
16 1937
17 2313
18 2681
19 3134
20 3595
21 4159
22 4691
23 5376
24 6041
25 6845
26 7609
27 8538
28 9451
29 10503
30 11563
31 12708
32 13885
33 15181
34 16586
35 17991
36 19395
37 21067
38 22588
39 24433
40 26129
41 28181
42 30090
43 32307

List of values

[1, 6, 14, 38, 59, 115, 147, 236, 301, 441, 537, 738, 887, 1147, 1347, 1644, 1937, 2313, 2681, 3134, 3595, 4159, 4691, 5376, 6041, 6845, 7609, 8538, 9451, 10503, 11563, 12708, 13885, 15181, 16586, 17991, 19395, 21067, 22588, 24433, 26129, 28181, 30090, 32307]