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A159796 First differences of A159786. 2
0, 0, 4, 4, 0, 4, 20, 16, 0, 4, 12, 8, 4, 28, 72, 48, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 256, 96, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 192, 96, 4, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..50.

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, A159786, A159789, A159799.

Sequence in context: A169784 A236929 A028642 * A069523 A021231 A246811

Adjacent sequences:  A159793 A159794 A159795 * A159797 A159798 A159799

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 13 2009

EXTENSIONS

More terms from Colin Barker, Apr 19 2015

STATUS

approved

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Last modified October 20 15:46 EDT 2019. Contains 328267 sequences. (Running on oeis4.)