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Search: id:A109141
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A109141 G.f.: fourth root of Hamming weight enumerator of [12,6,6]_3 ternary extended Golay code (cf. A105683). +0
2
1, 0, 66, 110, -6528, -21780, 986898, 5029200, -173972160, -1211972300, 33051614904, 297628438800, -6538730283946, -73793338948560, 1321581552446628, 18387553507364580, -269415270699505128, -4592418987961074600, 54819166320379762180, 1147693439998612940400 (list; graph; listen)
OFFSET

0,3

LINKS

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.

EXAMPLE

1+66*x^2+110*x^3-6528*x^4-21780*x^5+986898*x^6+5029200*x^7-...

CROSSREFS

Sequence in context: A031411 A098775 A109759 this_sequence A031184 A039443 A044189

Adjacent sequences: A109138 A109139 A109140 this_sequence A109142 A109143 A109144

KEYWORD

sign

AUTHOR

njas and Nadia Heninger (nadiah(AT)cs.princeton.edu), Aug 18 2005

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.


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