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!)
A109476 G.f.: 4th root of weight enumerator of [32,21,6] DEC extended BCH code (cf. A010463). 1
1, 0, 0, 248, 2635, 15128, -35216, -1848840, -21519084, -108527528, 824502784, 24266479832, 260841965636, 979414666872, -16981840179472, -376923827379432, -3601671171092868, -7380259448385800, 346107962132563456, 6279421381835120888, 52192589788396122268 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..20.

N. Heninger, E. M. Rains and N. J. A. Sloane, On the Integrality of n-th Roots of Generating Functions, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745.

CROSSREFS

Sequence in context: A033554 A242763 A200426 * A121732 A028525 A135046

Adjacent sequences:  A109473 A109474 A109475 * A109477 A109478 A109479

KEYWORD

sign

AUTHOR

N. J. A. Sloane and Nadia Heninger, Aug 29 2005

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 28 21:04 EST 2014. Contains 250406 sequences.