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.]
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
CROSSREFS
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