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A255468 Number of ON cells after n generations of the odd-rule cellular automaton defined by OddRule 157 when started with a single ON cell. 1
1, 6, 6, 20, 6, 36, 20, 84, 6, 36, 36, 120, 20, 120, 84, 296, 6, 36, 36, 120, 36, 216, 120, 504, 20, 120, 120, 400, 84, 504, 296, 1124, 6, 36, 36, 120, 36, 216, 120, 504, 36, 216, 216, 720, 120, 720, 504, 1776, 20, 120, 120, 400, 120, 720, 400, 1680, 84, 504, 504, 1680 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..59.

Shalosh B. Ekhad, N. J. A. Sloane, and  Doron Zeilberger, A Meta-Algorithm for Creating Fast Algorithms for Counting ON Cells in Odd-Rule Cellular Automata, arXiv:1503.01796, 2015; see also the Accompanying Maple Package.

Shalosh B. Ekhad, N. J. A. Sloane, and  Doron Zeilberger, Odd-Rule Cellular Automata on the Square Grid, arXiv:1503.04249, 2015.

N. J. A. Sloane, On the No. of ON Cells in Cellular Automata, Video of talk in Doron Zeilberger's Experimental Math Seminar at Rutgers University, Feb. 05 2015: Part 1, Part 2

N. J. A. Sloane, On the Number of ON Cells in Cellular Automata, arXiv:1503.01168, 2015

Index entries for sequences related to cellular automata

CROSSREFS

Run length transform of A255469.

Sequence in context: A224711 A073096 A212622 * A246037 A045896 A115046

Adjacent sequences:  A255465 A255466 A255467 * A255469 A255470 A255471

KEYWORD

nonn

AUTHOR

N. J. A. Sloane and Doron Zeilberger, Feb 23 2015

STATUS

approved

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Last modified March 23 18:13 EDT 2019. Contains 321433 sequences. (Running on oeis4.)