Table of n, a(n) for n=1..50.
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
Cf. A139250, A159786, A159789, A159799.
Sequence in context: A169784 A236929 A028642 * A069523 A021231 A246811
Adjacent sequences: A159793 A159794 A159795 * A159797 A159798 A159799
Omar E. Pol, Jun 13 2009
More terms from Colin Barker, Apr 19 2015