OFFSET
0,3
COMMENTS
Here we consider the symmetries of the cube in 3D space (mirror reflections are not allowed), cf. A097513. - Geoffrey Critzer, Sep 28 2013
FORMULA
G.f.: (3*x^6+x^5+x^4+1)/((1-x^4)*(1-x^3)^2*(1-x^2)^2*(1-x)).
MATHEMATICA
nn=43; f[x_]=1/(1-x); CoefficientList[Series[1/24 (f[x]^6+6f[x]^2f[x^4]+3f[x]^2f[x^2]^2+8f[x^3]^2+6f[x^2]^3), {x, 0, nn}], x] (* Geoffrey Critzer, Sep 28 2013 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Vladeta Jovovic, May 20 2000
STATUS
approved