login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A153001 Rows of A152980 when written as a triangle converge to this sequence. 7
4, 7, 9, 10, 15, 22, 21, 14, 15, 23, 28, 35, 52, 64, 49, 22, 15, 23, 28, 35, 52, 65, 56, 43, 53, 74, 91, 122, 168, 176, 113, 38, 15, 23, 28, 35, 52, 65, 56, 43, 53, 74, 91, 122, 168, 177, 120, 59, 53, 74, 91, 122, 169, 186, 155, 139, 180, 239, 304, 412, 512, 464, 257, 70, 15 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..64.

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, A139251, A152968, A152978, A152980, A153006.

Sequence in context: A291201 A310940 A342839 * A010454 A272015 A310941

Adjacent sequences:  A152998 A152999 A153000 * A153002 A153003 A153004

KEYWORD

nonn

AUTHOR

Omar E. Pol, Dec 16 2008, Dec 21 2008

EXTENSIONS

Edited by N. J. A. Sloane, Jun 07 2009, Jul 18 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 3 22:17 EDT 2022. Contains 357237 sequences. (Running on oeis4.)