A151887 Number of toothpicks turned OFF at generation n in A151885.

0, 0, 0, 2, 0, 10, 0, 10, 0, 38, 0, 10, 0, 50, 0, 34, 0, 138, 0, 10, 0, 50, 0, 50, 0, 190, 0, 34, 0, 170, 0, 122, 0, 494, 0, 10, 0, 50, 0, 50, 0, 190, 0, 50, 0, 250, 0, 170, 0, 690, 0, 34, 0, 170, 0, 170, 0, 646, 0, 122, 0, 610, 0, 434, 0, 1762

Offset

0,4

Links

Nathaniel Johnston, Table of n, a(n) for n = 0..926

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

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

N. J. A. Sloane, Illustration of first 8 generations

Formula

a(2n) = 0 for all n >= 0.

Crossrefs

Cf. A151885-A151888, A139250, A139251, A147562, A079314.

Sequence in context: A374288 A368703 A345048 * A337056 A362994 A371551

Adjacent sequences: A151884 A151885 A151886 * A151888 A151889 A151890

Keyword

nonn

Author

N. J. A. Sloane, Jul 23 2009

Extensions

Terms after a(8) from Nathaniel Johnston, Apr 02 2011

Status

approved