0,6

Molien series for 5-dimensional complex reflection group of order 2^7.3^4.5 is 1/((1-x^4)(1-x^6)(1-x^10)(1-x^12)(1-x^18)).

L. Smith, Polynomial Invariants of Finite Groups, Peters, 1995, p. 199 (No. 33).

INRIA Algorithms Project, Encyclopedia of Combinatorial Structures 247

Index entries for Molien series

(PARI) a(n)=polcoeff(1/((1-x^2)*(1-x^3)*(1-x^5)*(1-x^6)*(1-x^9))+x*O(x^n), n)

Sequence in context: A119465 A090321 A120641 this_sequence A140503 A043263 A118978

Adjacent sequences: A008663 A008664 A008665 this_sequence A008667 A008668 A008669

nonn

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