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.

A271257 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 324", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 10
3 22
4 30
5 54
6 79
7 119
8 152
9 196
10 236
11 324
12 401
13 501
14 622
15 798
16 935
17 1099
18 1240
19 1444
20 1661
21 1949
22 2258
23 2642
24 2995
25 3399
26 3800
27 4308
28 4821
29 5385
30 5986
31 6710
32 7411
33 8083
34 8812
35 9636
36 10485
37 11449
38 12430
39 13598
40 14727
41 15851
42 16964
43 18232
44 19573
45 20997

List of values

[1, 5, 10, 22, 30, 54, 79, 119, 152, 196, 236, 324, 401, 501, 622, 798, 935, 1099, 1240, 1444, 1661, 1949, 2258, 2642, 2995, 3399, 3800, 4308, 4821, 5385, 5986, 6710, 7411, 8083, 8812, 9636, 10485, 11449, 12430, 13598, 14727, 15851, 16964, 18232, 19573, 20997]