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A027632 Molien series for group Gamma_{3,0}(2). +0
1
1, 1, 4, 6, 14, 23, 45, 72 (list; graph; listen)
OFFSET

0,3

LINKS

Bernhard Runge, On Siegel modular forms, part II Nagoya Math. J. 138, 179-197 (1995)

Index entries for Molien series

FORMULA

G.f.: N_Hecke(x)*(1 + x^2)/((1 - x^2)*(1 - x^4)^3*(1 - x^6)*(1 - x^12)*(1 - x^14)) where N_Hecke(x)= 1 - x^2 + x^4 + 2*x^8 + x^10 + 2*x^12 + x^14 + 5*x^16 + x^18 + 6*x^20 + 2*x^22 + 6*x^24 + 2*x^26 + 6*x^28 + x^30 + 5*x^32 + x^34 + 2*x^36 + x^38 + 2*x^40 + x^44 - x^46 + x^48

CROSSREFS

Sequence in context: A122555 A097271 A126867 this_sequence A084214 A030138 A009849

Adjacent sequences: A027629 A027630 A027631 this_sequence A027633 A027634 A027635

KEYWORD

nonn,easy,nice

AUTHOR

njas

EXTENSIONS

More terms and formula from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 24 2001

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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