1,2

Robert Price, Table of n, a(n) for n = 1..32768

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

Cf. A139250.

Sequence in context: A121509 A096071 A230117 * A078723 A294368 A296556

Adjacent sequences: A159788 A159789 A159790 * A159792 A159793 A159794

nonn

Omar E. Pol, Apr 28 2009

a(28)-a(60) from Robert Price, May 10 2019

approved