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A182839 Number of toothpicks and D-toothpicks added at n-th stage to the H-toothpick structure of A182838. 4
0, 1, 2, 4, 4, 4, 6, 10, 8, 4, 6, 12, 16, 14, 14, 22, 16, 4, 6 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

First differences of A182838.

LINKS

Table of n, a(n) for n=0..18.

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

Index entries for sequences related to toothpick sequences

CROSSREFS

Cf. A139250, A139251, A161207, A182633, A182635, A182838, A182841.

Sequence in context: A033827 A008217 A170889 * A043552 A325940 A035545

Adjacent sequences:  A182836 A182837 A182838 * A182840 A182841 A182842

KEYWORD

nonn,more

AUTHOR

Omar E. Pol, Dec 12 2010

STATUS

approved

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Last modified October 19 21:26 EDT 2019. Contains 328237 sequences. (Running on oeis4.)