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A094605 a(n) is the period length of the n-th diagonal, from the right, of Rule 30 (begun from an initial black cell). 2
1, 2, 2, 4, 8, 8, 16, 32, 32, 64, 64, 64, 64, 64, 64, 128, 256, 256, 256, 256, 256, 256, 256, 256, 512, 1024, 1024, 2048, 2048, 4096, 4096, 4096, 4096, 4096, 8192, 8192, 16384, 32768, 32768, 65536, 65536, 131072, 131072, 262144, 262144, 262144, 262144 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

One 64 term is missing in Wolfram 2002 (p. 871). (There are six.)

REFERENCES

Wolfram, Stephen. A New Kind of Science. Wolfram Media, 2002, p. 871.

LINKS

Table of n, a(n) for n=1..47.

Eric Rowland, Local nested structure in rule 30, Complex Systems 16 (2006) 239-258.

Stephen Wolfram, [Page 871] A New Kind of Science | Online.

CROSSREFS

Cf. A094604, A094606.

Sequence in context: A101651 A325880 A132007 * A217662 A085619 A085620

Adjacent sequences:  A094602 A094603 A094604 * A094606 A094607 A094608

KEYWORD

nonn

AUTHOR

Eric Rowland, May 13 2004

STATUS

approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)