%I
%S 1,2,6,14,34,68,144,276,534,974,1774,3106,5410,9146,15334,25158,40884,
%T 65264,103204,160808,248222,378350,571534,853890,1264962,1855638,
%U 2700490,3895626,5577846,7923072,11176164,15650712,21774473,30092868,41337096,56434524
%N PoincarĂ© series [or Poincare series] P(C_{4,2}; x).
%H Dragomir Z. Djokovic, <a href="http://arXiv.org/abs/math.AC/0609262">PoincarĂ© series [or Poincare series] of some pure and mixed trace algebras of two generic matrices</a>. See Table 3, lines 6 and 7, also Table 5, lines 37.
%F G.f.: (1x^2+x^4)*(1xx^3+x^4+2*x^5+x^6x^7x^9+x^10) / ((1x)^3*(1x^2)^4*(1x^3)^5*(1x^4)^5).
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Dec 21 2006
