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A151728 A151727/4. 5
1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 163, 95, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 165, 101, 29, 51, 71, 87, 107, 159, 175, 135, 109, 173, 229, 281, 371, 477 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..61.

David Applegate, The movie version [See A151725, variant]

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. A151727, A151737, A151747, A170880. Equals 2*A151729 + 1.

Sequence in context: A079305 A247871 A204902 * A130889 A184827 A058610

Adjacent sequences:  A151725 A151726 A151727 * A151729 A151730 A151731

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 14 2009

STATUS

approved

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Last modified January 22 18:06 EST 2019. Contains 319365 sequences. (Running on oeis4.)