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A170875 First differences of A170876. 3
0, 1, 4, 16, 16, 16, 64, 80, 64, 144, 160, 224, 176, 256, 320, 400, 512, 480, 688, 768, 704, 816, 896, 1120, 1168, 1536, 1568, 1936, 1600, 1984, 1776, 2112, 2304, 2544, 2656, 3008, 2896, 3072, 3200 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
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.]
CROSSREFS
Cf. A170876.
Sequence in context: A265218 A331055 A170836 * A232342 A341199 A072652
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 05 2010, based on email from R. J. Mathar, Jun 02 2009; revised by R. J. Mathar, Jan 08 2010
EXTENSIONS
More terms from Colin Barker, Apr 19 2015
STATUS
approved

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Last modified June 23 10:38 EDT 2024. Contains 373643 sequences. (Running on oeis4.)