0,3

Table of n, a(n) for n=0..60.

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: A090592 A340706 A093558 * A337031 A125636 A156323

Adjacent sequences: A170863 A170864 A170865 * A170867 A170868 A170869

nonn

N. J. A. Sloane, Jan 02 2010

approved