A161211 First differences of A161210.

1, 2, 4, 7, 7, 7

Offset: 1

Author

Omar E. Pol, Jun 06 2009

Keywords

• more
• nonn

Comments

Number of toothpicks added at the n-th round.

Links

• 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

Crossrefs

Cf. A139251, A152980, A160161, A161210, A161213, A161215, A161217.