A161212 a(n) = A161210(n)*2.

0, 2, 6, 14, 28, 42, 56

Offset

0,2

Links

Table of n, a(n) for n=0..6.

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, A152980, A153006, A160160, A161210, A161213, A161214, A161216.

Sequence in context: A178080 A121968 A305329 * A256058 A294867 A033547

Adjacent sequences: A161209 A161210 A161211 * A161213 A161214 A161215

Keyword

more,nonn

Author

Omar E. Pol, Jun 06 2009

Status

approved