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.

A273301 Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 633", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 5
2 26
3 55
4 127
5 215
6 371
7 531
8 800
9 1069
10 1465
11 1885
12 2465
13 3037
14 3821
15 4557
16 5565
17 6533
18 7849
19 9197
20 10769
21 12301
22 14197
23 15993
24 18206
25 20363
26 22984
27 25509
28 28526
29 31343
30 34756
31 37929
32 41810
33 45435
34 49980
35 54253
36 59286
37 64071
38 69608
39 74817
40 80906
41 86739

List of values

[1, 5, 26, 55, 127, 215, 371, 531, 800, 1069, 1465, 1885, 2465, 3037, 3821, 4557, 5565, 6533, 7849, 9197, 10769, 12301, 14197, 15993, 18206, 20363, 22984, 25509, 28526, 31343, 34756, 37929, 41810, 45435, 49980, 54253, 59286, 64071, 69608, 74817, 80906, 86739]