1,1

Table of n, a(n) for n=1..67.

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

Y-toothpick sequence: A160120. Cf. A160121, A160123.

Cf. A139250, A139251. [From Omar E. Pol, Jun 16 2009]

Sequence in context: A175194 A086568 A239074 * A093656 A174028 A084426

Adjacent sequences: A160119 A160120 A160121 * A160123 A160124 A160125

nonn

Omar E. Pol, May 02 2009

More terms from Omar E. Pol, Jun 16 2009

approved