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Table of n, a(n) for n=0..39.
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: A050316 A161538 A319980 * A080646 A187579 A050102
Adjacent sequences: A170882 A170883 A170884 * A170886 A170887 A170888
David Applegate, Omar E. Pol and N. J. A. Sloane, Jan 09 2010
More terms from Nathaniel Johnston, Nov 13 2010