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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.

A179409 The number of alive cells in Conway's Game of Life on the 8x8 toroidal grid, in a cyclic sequence of 48 patterns containing among other patterns, a "stairstep hexomino" and its mirror image, illustrated below.

Table of values

n a(n)
0 6
1 6
2 6
3 8
4 10
5 12
6 16
7 18
8 20
9 26
10 26
11 28
12 30
13 22
14 26
15 16
16 20
17 18
18 18
19 20
20 16
21 20
22 10
23 8
24 6
25 6
26 6
27 8
28 10
29 12
30 16
31 18
32 20
33 26
34 26
35 28
36 30
37 22
38 26
39 16
40 20
41 18
42 18
43 20
44 16
45 20
46 10
47 8
48 6
49 6
50 6
51 8
52 10
53 12
54 16
55 18
56 20
57 26
58 26
59 28
60 30
61 22
62 26
63 16
64 20
65 18
66 18
67 20
68 16
69 20
70 10
71 8

List of values

[6, 6, 6, 8, 10, 12, 16, 18, 20, 26, 26, 28, 30, 22, 26, 16, 20, 18, 18, 20, 16, 20, 10, 8, 6, 6, 6, 8, 10, 12, 16, 18, 20, 26, 26, 28, 30, 22, 26, 16, 20, 18, 18, 20, 16, 20, 10, 8, 6, 6, 6, 8, 10, 12, 16, 18, 20, 26, 26, 28, 30, 22, 26, 16, 20, 18, 18, 20, 16, 20, 10, 8]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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