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A160718 a(n) = A160406(n+2)/2. 1
1, 2, 3, 4, 5, 7, 9, 10, 11, 13, 15, 17, 20, 25, 29, 30, 31, 33, 35, 37, 40, 45, 49, 51, 54 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

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, A152998, A153000, A160406, A160407.

Sequence in context: A191917 A228894 A164563 * A122090 A066050 A004050

Adjacent sequences:  A160715 A160716 A160717 * A160719 A160720 A160721

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 10 2009

STATUS

approved

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Last modified January 22 01:47 EST 2019. Contains 319351 sequences. (Running on oeis4.)