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.

A282123 Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 430", based on the 5-celled von Neumann neighborhood.

Table of values

n a(n)
0 1
1 3
2 6
3 15
4 26
5 63
6 106
7 255
8 426
9 1023
10 1706
11 4095
12 6826
13 16383
14 27306
15 65535
16 109226
17 262143
18 436906
19 1048575
20 1747626
21 4194303
22 6990506
23 16777215
24 27962026
25 67108863
26 111848106
27 268435455
28 447392426
29 1073741823
30 1789569706
31 4294967295
32 7158278826

List of values

[1, 3, 6, 15, 26, 63, 106, 255, 426, 1023, 1706, 4095, 6826, 16383, 27306, 65535, 109226, 262143, 436906, 1048575, 1747626, 4194303, 6990506, 16777215, 27962026, 67108863, 111848106, 268435455, 447392426, 1073741823, 1789569706, 4294967295, 7158278826]

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

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