A160162 a(n) = A160158(n)/2.

0, 1, 2, 4, 8, 12, 14, 18, 24, 28, 32, 40, 52, 62, 68, 78, 88, 92, 96, 104, 116, 126, 134, 148, 164, 176, 192, 220, 254, 280, 300, 326, 344, 348, 352, 360, 372, 382, 390, 404, 420, 432, 448, 476, 510, 536, 558, 588, 612, 624, 640, 668, 702, 730, 760, 804, 848

Offset

0,3

Links

Table of n, a(n) for n=0..56.

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, A160158, A160406, A160730, A160732, A160736, A160738, A160740.

Sequence in context: A211823 A024911 A024906 * A328838 A064711 A050865

Adjacent sequences: A160159 A160160 A160161 * A160163 A160164 A160165

Keyword

nonn

Author

Omar E. Pol, May 29 2009

Extensions

Extended beyond a(13) by R. J. Mathar, Jun 01 2009

Status

approved