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A027629 Molien series for complex 8-dimensional group N_3 of order 2^(2.3+2), a central extension of an extraspecial 2-group. 0
1, 15, 135, 870, 3993, 14157, 41535, 105740, 241281, 504811, 984423, 1811250, 3173625, 5334057, 8649279, 13593624, 20785985, 31020615, 45302023, 64884222, 91314585, 126482565, 172673535, 232628004 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

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

LINKS

Index entries for Molien series

FORMULA

(1+7*x+43*x^2+154*x^3+43*x^4+7*x^5+x^6)/(1-x)^8.

CROSSREFS

Sequence in context: A155656 A201138 A027630 * A023013 A036217 A022643

Adjacent sequences:  A027626 A027627 A027628 * A027630 A027631 A027632

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 15 17:45 EST 2012. Contains 205832 sequences.