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Table of n, a(n) for n=1..48.
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, A159791.
Sequence in context: A271995 A174792 A063592 * A247606 A146837 A146044
Adjacent sequences: A159789 A159790 A159791 * A159793 A159794 A159795
Omar E. Pol, Apr 28 2009
More terms from R. J. Mathar, May 26 2009