0,1

Table of n, a(n) for n=0..58.

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

Sequence in context: A250192 A250217 A335278 * A003334 A037006 A188892

Adjacent sequences: A151745 A151746 A151747 * A151749 A151750 A151751

nonn

N. J. A. Sloane, Jun 16 2009, Jun 17 2009

approved