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A162625 Number of cells turned "ON" at n-th stage of cellular automaton whose virtual skeleton is a polyedge as the toothpick structure of A139250. 1
3, 4, 6, 6, 8, 12, 14, 10, 8, 12, 16, 20, 28, 36, 34, 18, 8, 12, 16, 20, 28, 36, 36, 28, 28, 40, 52, 68, 92, 104, 82, 34, 8, 12, 16, 20, 28, 36, 36, 28, 28, 40, 52, 68, 92, 104, 84, 44 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

First differences of A147614.

The main entry for this sequence is A139250, the toothpick sequence. See also A139251.

LINKS

Table of n, a(n) for n=1..48.

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

David Applegate, The movie version

CROSSREFS

Cf. A139250, A139251, A147614, A160420, A160421, A160422, A160423, A162627.

Sequence in context: A275883 A274529 A284061 * A033095 A158907 A175708

Adjacent sequences:  A162622 A162623 A162624 * A162626 A162627 A162628

KEYWORD

nonn

AUTHOR

Omar E. Pol, Aug 05 2009

EXTENSIONS

More terms from Nathaniel Johnston, Nov 15 2010

STATUS

approved

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Last modified January 18 06:34 EST 2019. Contains 319269 sequences. (Running on oeis4.)