0,3

Table of n, a(n) for n=0..76.

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: A072267 A024934 A186358 * A049918 A357182 A028861

Adjacent sequences: A170836 A170837 A170838 * A170840 A170841 A170842

nonn

N. J. A. Sloane, Jan 02 2010

approved