A159796 First differences of A159786.

0, 0, 4, 4, 0, 4, 20, 16, 0, 4, 12, 8, 4, 28, 72, 48, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 256, 96, 0, 4, 12, 8, 4, 28, 56, 32, 4, 20, 32, 20, 36, 128, 192, 96, 4, 20

Offset

1,3

Links

Table of n, a(n) for n=1..50.

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. A139250, A159786, A159789, A159799.

Sequence in context: A236929 A351521 A028642 * A069523 A021231 A246811

Adjacent sequences: A159793 A159794 A159795 * A159797 A159798 A159799

Keyword

more,nonn

Author

Omar E. Pol, Jun 13 2009

Extensions

More terms from Colin Barker, Apr 19 2015

Status

approved