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A159788 a(n) = A159786(n+1)/2. 7
0, 0, 2, 4, 4, 6, 16, 24, 24, 26, 32, 36, 38, 52, 88, 112, 112, 114, 120, 124, 126, 140, 168, 184, 186, 196, 212, 222, 240, 304, 432, 480, 480, 482, 488, 492, 494, 508, 536, 552, 554, 564, 580, 590, 608, 672, 768, 816, 818, 828 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..49.

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, A152998, A159786, A159787, A159789, A159798.

Sequence in context: A207808 A002086 A039830 * A179112 A096612 A218707

Adjacent sequences:  A159785 A159786 A159787 * A159789 A159790 A159791

KEYWORD

nonn

AUTHOR

Omar E. Pol, Apr 28 2009, May 02 2009

EXTENSIONS

a(11)-a(49) from Robert Price, May 10 2019

STATUS

approved

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