A094605 a(n) is the period of the n-th diagonal, from the right, of Rule 30 (begun from an initial black cell).

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

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, A364773.

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