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

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A151549 a(n) = (A151548(n)-1)/2. 1
0, 1, 2, 3, 2, 5, 8, 7, 2, 5, 8, 9, 10, 19, 24, 15, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63, 64, 31, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63, 64, 33, 10, 19, 26, 29, 40, 63, 66, 45, 40, 65, 82, 99, 144, 191, 160, 63, 2, 5, 8, 9, 10, 19, 24, 17, 10, 19, 26, 29, 40, 63 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..77.

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

EXAMPLE

From Omar E. Pol, Nov 30 2013: (Start)

Written as an irregular triangle in which row lengths is A011782 the right border gives A000225.

Triangle begins:

0;

1;

2,3;

2,5,8,7;

2,5,8,9,10,19,24,15;

2,5,8,9,10,19,24,17,10,19,26,29,40,63,64,31;

2,5,8,9,10,19,24,17,10,19,26,29,40,63,64,33,10,19,26,29,40,63,66,45,40,65,82,99,144,191,160,63;

(End)

CROSSREFS

Cf. A160552.

Sequence in context: A270709 A064939 A248012 * A086989 A110642 A079535

Adjacent sequences:  A151546 A151547 A151548 * A151550 A151551 A151552

KEYWORD

nonn,tabf

AUTHOR

N. J. A. Sloane, May 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 | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 7 03:45 EST 2016. Contains 278841 sequences.