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!)
A130018 Eigensequence of A053121. 0
1, 1, 1, 2, 4, 9, 22, 56, 152, 428, 1257 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..10.

FORMULA

a(n)=Sum_[k, 0<=k<=n-1}A053121(n-1,k)*a(k)for n>0 with a(0)=1 .

CROSSREFS

Sequence in context: A037245 A244886 A143017 * A099754 A105633 A196161

Adjacent sequences:  A130015 A130016 A130017 * A130019 A130020 A130021

KEYWORD

nonn

AUTHOR

Philippe Deléham, Jun 16 2007

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 November 21 22:06 EST 2014. Contains 249791 sequences.