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A061401 From solution to a Picard-Fuchs equation. 0
1, 6, 9, 56, -300, 3942, -48412, 639264, -8785098, 124733000, -1817441901, 27047510136, -409669978497, 6297861697848, -98055605511675, 1543575781461888, -24533312413314948, 393242952308487588, -6350814254230701986 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

M. Aganagic, A. Klemm and C. Vafa, Disk Instantons, Mirror Symmetry and the Duality Web

MATHEMATICA

InverseSeries[z/Exp[6 z HypergeometricPFQ[{1, 1, 4/3, 5/3}, {2, 2, 2}, -27 z]] + O[z]^20, q] // CoefficientList[#, q]& // Rest (* Jean-François Alcover, Feb 18 2019 *)

CROSSREFS

Sequence in context: A098662 A056425 A056416 * A264380 A284636 A046498

Adjacent sequences:  A061398 A061399 A061400 * A061402 A061403 A061404

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Jun 10 2001

EXTENSIONS

More terms from Jean-François Alcover, Feb 18 2019

STATUS

approved

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Last modified October 15 17:24 EDT 2019. Contains 328037 sequences. (Running on oeis4.)