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A169729 Critical block length for legal totalistic k=2, r=2 cellular automaton with code 2n (-1 indicates the value is infinite). 0
5, 12, 7, 12, 36, 5, 5, 5, 5, 36, 12, 7, 12, 5, 3, 3, 5, 12, 7, 12, -1, 5, 5, 5, 5, 22, 12, 7, 12, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

S. Wolfram, Universality and cpmplexity in cellular automata, Physica 10D (1984), 1-35 (reprinted in Celluar Automata, ed. D. Farmer et al., North-Holland, 1984).

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A342069 A046610 A009842 * A070368 A066326 A015242

Adjacent sequences:  A169726 A169727 A169728 * A169730 A169731 A169732

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Apr 29 2010

STATUS

approved

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Last modified December 3 20:35 EST 2021. Contains 349468 sequences. (Running on oeis4.)