A161429 - OEIS

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A161429

a(n) = A161430(n)/3.

0

0, 3, 11, 19, 41, 49

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

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, A160120, A161430, A161431, A161432, A161433.

Sequence in context: A138725 A138726 A219527 * A079544 A192717 A163183

Adjacent sequences: A161426 A161427 A161428 * A161430 A161431 A161432

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jun 17 2009

STATUS

approved