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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A162799 a(n) = A160161(n+2)/4. 1
1, 2, 2, 2, 2, 4, 8, 14, 8, 4, 2, 4, 8, 14, 14, 16, 20, 38, 58, 88, 36, 12, 8, 6, 10, 14, 14, 16, 20, 38, 58, 88, 54, 42, 44, 68, 90, 124, 112, 134, 166, 292, 372, 500, 192, 76, 84, 66, 48, 28, 30, 32, 28, 42, 60, 88, 54, 42, 44, 68, 90, 124, 112, 134, 166, 292, 372, 500, 246 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..69.

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

FORMULA

a(n) = A162798(n+1)/2.

CROSSREFS

Cf. A139250, A139251, A160160, A160161, A162798.

Sequence in context: A064849 A269302 A132189 * A034585 A171869 A147751

Adjacent sequences:  A162796 A162797 A162798 * A162800 A162801 A162802

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jul 28 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 October 23 15:33 EDT 2018. Contains 316528 sequences. (Running on oeis4.)