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A160427 First differences of A160426. 7
5, 4, 8, 13, 12, 10, 17, 21, 12, 10, 17, 21, 20, 26, 41, 37, 12, 10, 17, 21, 20, 26, 41, 37, 20, 26, 41, 45, 52, 82, 105, 69, 12, 10, 17, 21, 20, 26, 41, 37, 20, 26, 41, 45, 52, 82, 105, 69, 20, 26, 41, 45, 52, 82, 105 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

CROSSREFS

Cf. A139250, A139251.

Sequence in context: A309543 A187891 A086407 * A215337 A090124 A097943

Adjacent sequences:  A160424 A160425 A160426 * A160428 A160429 A160430

KEYWORD

nonn

AUTHOR

Omar E. Pol, May 25 2009

EXTENSIONS

Terms after a(13) from Nathaniel Johnston, Mar 31 2011

STATUS

approved

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Last modified November 19 08:44 EST 2019. Contains 329318 sequences. (Running on oeis4.)