A008818 Expansion of (1+2*x^3+x^4)/((1-x^2)^2*(1-x^4)); Molien series for 3-dimensional representation of group 2x = [ 2+,4+ ] = CC_4 = C4.

1, 0, 2, 2, 5, 4, 8, 8, 13, 12, 18, 18, 25, 24, 32, 32, 41, 40, 50, 50, 61, 60, 72, 72, 85, 84, 98, 98, 113, 112, 128, 128, 145, 144, 162, 162, 181, 180, 200, 200, 221, 220, 242, 242, 265, 264, 288, 288, 313, 312, 338