6X6X6 triangular graph coloring a rectangular array: number of nX2 0..20 arrays where 0..20 label nodes of the fully triangulated graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.
A223364
6X6X6 triangular graph coloring a rectangular array: number of nX2 0..20 arrays where 0..20 label nodes of the fully triangulated graph and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.
Terms
- a(0) =90a(1) =990a(2) =11610a(3) =139158a(4) =1686042a(5) =20537766a(6) =250834914a(7) =3067525350a(8) =37537522362a(9) =459492912054
External references
- oeis: A223364