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

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A129698 Arises in Patience Sorting and its generalizations. 0
1, 1, 2, 4, 9, 23, 66, 209, 718, 2645, 10373, 43090, 188803, 869191, 4189511 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Arises from a Neumann series, all of whose nonzero entries are positive integers. The matrix is given explicitly on p. 74.

LINKS

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

Isaiah Lankham, Patience Sorting and Its Generalizations, 31 May 2007, p. 75. Comments: Ph.D. dissertation, 108 pages. This dissertation collects together results on Patience Sorting and its generalizations. It incorporates the results of math.CO/0506358, math.CO/0507031 and math.CO/0512122, as well as previously unpublished results.

CROSSREFS

Sequence in context: A245162 A007476 A202552 * A117419 A124461 A026898

Adjacent sequences:  A129695 A129696 A129697 * A129699 A129700 A129701

KEYWORD

nonn

AUTHOR

Jonathan Vos Post, Jun 01 2007

EXTENSIONS

Broken URL replaced by R. J. Mathar, Jul 10 2009

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified December 21 18:56 EST 2014. Contains 252325 sequences.