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A109006 18th root of theta series in A109005. 1
1, 0, 6, 0, 39168, 1357824, 27443718, 291096576, -11867773434, -909632040960, -33941504512512, -822014874550272, -7737982685551872, 465460035666923520, 32929573125536994828, 1241615351428411410432, 30133833989484059781120, 241406030006869666848768 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..17.

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: A122192 A249698 A284452 * A114629 A060251 A212528

Adjacent sequences:  A109003 A109004 A109005 * A109007 A109008 A109009

KEYWORD

sign

AUTHOR

N. J. A. Sloane and Nadia Heninger, Aug 16 2005

STATUS

approved

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Last modified September 17 16:32 EDT 2021. Contains 347487 sequences. (Running on oeis4.)