login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097995 Cell populations in the development of the 1 X 5 cell pattern (I-pentomino) with the 2D cellular automaton rule "Seeds" (/2). 3
5, 4, 6, 11, 16, 24, 26, 14, 15, 20, 28, 16, 16, 24, 16, 24, 38, 64, 62, 75, 72, 60, 68, 62, 106, 90, 106, 90, 82, 106, 93, 114, 120, 94, 136, 152, 174, 202, 221, 252, 216, 232, 246, 270, 320, 312, 358, 372, 360, 384, 364, 486, 414, 460, 592, 568, 618, 640, 712, 645 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 0..1000

Eric M. Schmidt, C++ code to compute this sequence

Mirek Wojtowicz, Information on many 2D cellular automata

Index entries for sequences related to cellular automata

EXAMPLE

a(0) = 5 because the 1 X 5 row contains 5 cells. a(1) = 4 because 4 cells are neighbors of exactly 2 of the original 5 cells. a(2) = 6 because 6 cells are neighbors of exactly 2 of the previous 4 cells.

CROSSREFS

Cf. A097981, A097996.

Sequence in context: A345231 A335576 A270841 * A316670 A234745 A019124

Adjacent sequences:  A097992 A097993 A097994 * A097996 A097997 A097998

KEYWORD

nonn

AUTHOR

Oliver Pechenik, Sep 08 2004

EXTENSIONS

Offset changed by Eric M. Schmidt, Mar 10 2013

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 14 13:43 EDT 2022. Contains 356117 sequences. (Running on oeis4.)