login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160122 a(n) = A160121(n+1)*2/3. 1
2, 2, 6, 2, 6, 6, 14, 6, 6, 6, 14, 10, 14, 18, 34, 18, 6, 6, 14, 10, 14, 18, 34, 22, 14, 18, 34, 34, 38, 46, 78, 54, 14, 6, 14, 10, 14, 18, 34, 22, 14, 18, 34, 34, 38, 46, 78, 58, 22, 18, 34, 34, 38, 50, 86, 78, 50, 46, 78, 90, 94, 114, 186, 154, 46, 6, 14 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..67.

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

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

CROSSREFS

Y-toothpick sequence: A160120. Cf. A160121, A160123.

Cf. A139250, A139251. [From Omar E. Pol, Jun 16 2009]

Sequence in context: A175194 A086568 A239074 * A093656 A174028 A084426

Adjacent sequences:  A160119 A160120 A160121 * A160123 A160124 A160125

KEYWORD

nonn

AUTHOR

Omar E. Pol, May 02 2009

EXTENSIONS

More terms from Omar E. Pol, Jun 16 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 23 07:06 EST 2018. Contains 299473 sequences. (Running on oeis4.)