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.

A266069 Decimal representation of the n-th iteration of the "Rule 3" elementary cellular automaton starting with a single ON (black) cell.

Table of values

n a(n)
0 1
1 4
2 2
3 121
4 4
5 2035
6 8
7 32743
8 16
9 524239
10 32
11 8388511
12 64
13 134217535
14 128
15 2147483263
16 256
17 34359737599
18 512
19 549755812351
20 1024
21 8796093019135
22 2048
23 140737488349183
24 4096
25 2251799813672959
26 8192
27 36028797018939391
28 16384
29 576460752303374335
30 32768

List of values

[1, 4, 2, 121, 4, 2035, 8, 32743, 16, 524239, 32, 8388511, 64, 134217535, 128, 2147483263, 256, 34359737599, 512, 549755812351, 1024, 8796093019135, 2048, 140737488349183, 4096, 2251799813672959, 8192, 36028797018939391, 16384, 576460752303374335, 32768]

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

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