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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160127 First differences of A160126. 3
0, 0, 1, 1, 0, 2, 5, 3, 0, 2, 4, 2, 2, 10, 15, 7, 0, 2, 4, 2, 2, 10, 14, 6, 2, 8, 10, 6, 14, 36, 39, 15, 0, 2, 4, 2, 2, 10, 14, 6, 2, 8, 10, 6, 14, 36, 38, 14, 2, 8, 10, 6, 14, 34, 34, 14 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

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

Toothpick sequence: A139250.

Cf. A159786, A159787, A159788, A159789, A160124, A160125, A160126.

Sequence in context: A160503 A108429 A130280 * A011035 A102892 A132898

Adjacent sequences:  A160124 A160125 A160126 * A160128 A160129 A160130

KEYWORD

nonn

AUTHOR

Omar E. Pol, May 03 2009

EXTENSIONS

More terms from Colin Barker, Apr 19 2015

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 18 13:42 EST 2019. Contains 319271 sequences. (Running on oeis4.)