6X6X6 triangular graph coloring a rectangular array: number of nX3 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.
A223365
6X6X6 triangular graph coloring a rectangular array: number of nX3 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) =420a(1) =11610a(2) =357354a(3) =11206806a(4) =356391222a(5) =11391019146a(6) =365447949798
External references
- oeis: A223365