0,3

First differs from A160720 at a(13).

Nathaniel Johnston, Table of n, a(n) for n = 0..68

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata

Nathaniel Johnston, C script

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Cf. A151776, A151836 (first differences), A139250.

Sequence in context: A211424 A211428 A160720 * A147562 A162795 A255366

Adjacent sequences: A147549 A147550 A147551 * A147553 A147554 A147555

nonn

N. J. A. Sloane, Jul 13 2009

Terms after a(30) from Nathaniel Johnston, Mar 27 2011

approved