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A159793 a(n) = A153006(n)*2. 2
0, 2, 6, 12, 18, 26, 40, 56 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..7.

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

Toothpick sequence: A139250.

Cf. A139251, A152980, A153006, A159794, A159795.

Sequence in context: A294062 A193764 A278484 * A238739 A006511 A113274

Adjacent sequences:  A159790 A159791 A159792 * A159794 A159795 A159796

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, May 02 2009

STATUS

approved

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Last modified January 20 23:20 EST 2019. Contains 319343 sequences. (Running on oeis4.)