crownGraph -- Returns a crown graph

• Usage:

  G = crownGraph n

• Inputs:
  • n, an integer, The number of vertices on each side; there will be 2*n total vertices
• Outputs:
  • G, a graph,

i1 : crownGraph 4

o1 = Graph{0 => {5, 6, 7}}
           1 => {4, 6, 7}
           2 => {4, 5, 7}
           3 => {4, 5, 6}
           4 => {1, 2, 3}
           5 => {0, 2, 3}
           6 => {0, 1, 3}
           7 => {0, 1, 2}

o1 : Graph