A182837 Number of toothpick added at n-th stage to the toothpick structure of A182836.

0, 1, 2, 4, 8, 12, 12, 12, 20, 20, 16, 20

Offset

0,3

Comments

First differences of A182836.

Links

Table of n, a(n) for n=0..11.

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

Index entries for sequences related to toothpick sequences

Crossrefs

Cf. A139250, A139251, A152980, A182633, A182635, A182836, A182841.

Sequence in context: A009664 A009507 A064657 * A256940 A361833 A048314

Adjacent sequences: A182834 A182835 A182836 * A182838 A182839 A182840

Keyword

nonn,more

Author

Omar E. Pol, Dec 12 2010

Status

approved