OFFSET
0,5
LINKS
Shawn A. Broyles, Table of n, a(n) for n = 0..10000
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
sign
AUTHOR
Omar E. Pol, May 29 2010
EXTENSIONS
Edited by Omar E. Pol, May 30 2010
More terms from R. J. Mathar, Aug 31 2010
STATUS
approved