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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160418 a(n) = A160407(n+2)/2. 1
1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 3, 5, 4, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..15.

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

Cf. A139250, A139251, A160160, A160161, A160406, A160407, A160408, A160409.

Sequence in context: A053257 A151702 A151552 * A168115 A269982 A153864

Adjacent sequences:  A160415 A160416 A160417 * A160419 A160420 A160421

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, May 23 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 21 00:32 EST 2018. Contains 299388 sequences. (Running on oeis4.)