The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A038184

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A038184

State of one-dimensional cellular automaton 'sigma' (Rule 150): 000,001,010,011,100,101,110,111 -> 0,1,1,0,1,0,0,1 at generation n, converted to a decimal number.
(history; published version)

#48 by Hugo Pfoertner at Thu Dec 16 11:38:34 EST 2021

STATUS

reviewed

approved

#47 by Michel Marcus at Thu Dec 16 11:27:50 EST 2021

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proposed

reviewed

#46 by Michel Marcus at Thu Dec 16 11:26:22 EST 2021

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editing

proposed

#45 by Michel Marcus at Thu Dec 16 11:26:14 EST 2021

COMMENTS

Rows of the mod 2 trinomial triangle (A027907), interpreted as binary numbers: 1, 111, 10101, 1101011, ... (A118110) . - Jacob A. Siehler, Aug 25 2006

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reviewed

editing

#44 by Hugo Pfoertner at Thu Dec 16 11:18:47 EST 2021

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proposed

reviewed

#43 by Georg Fischer at Thu Dec 16 10:51:55 EST 2021

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editing

proposed

#42 by Georg Fischer at Thu Dec 16 10:51:22 EST 2021

EXAMPLE

10: 1.1.1...1.1.1...1.1.1

11: 11.1.11.11.1.11.11.1.11

12: 1...1.......1.......1...1

13: 111.111.....111.....111.111

14: 1.1...1.1...1.1.1...1.1...1.1

15: 11.11.11.11.11.1.11.11.11.11.11

#41 by Georg Fischer at Thu Dec 16 10:50:20 EST 2021

EXAMPLE

Bit patterns with "0" replaced by "." for visibilty [Georg Fischer, Dec 16 2021]:

0: 1

1: 111

2: 1.1.1

3: 11.1.11

4: 1...1...1

5: 111.111.111

6: 1.1...1...1.1

7: 11.11.111.11.11

8: 1.......1.......1

9: 111.....111.....111

10: 1.1.1...1.1.1...1.1.1

11: 11.1.11.11.1.11.11.1.11

12: 1...1.......1.......1...1

13: 111.111.....111.....111.111

14: 1.1...1.1...1.1.1...1.1...1.1

15: 11.11.11.11.11.1.11.11.11.11.11

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approved

editing

#40 by Bruno Berselli at Thu Jan 23 04:16:43 EST 2020

STATUS

proposed

approved

#39 by Michel Marcus at Thu Jan 23 03:59:33 EST 2020

STATUS

editing

proposed