4X4X4 triangular graph without horizontal edges coloring a rectangular array: number of nX7 0..9 arrays where 0..9 label nodes of a graph with edges 0,1 0,2 1,3 1,4 2,4 2,5 3,6 3,7 4,7 4,8 5,8 5,9 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.
A223414
4X4X4 triangular graph without horizontal edges coloring a rectangular array: number of nX7 0..9 arrays where 0..9 label nodes of a graph with edges 0,1 0,2 1,3 1,4 2,4 2,5 3,6 3,7 4,7 4,8 5,8 5,9 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.
Terms
- a(0) =3622a(1) =1020056a(2) =350374768a(3) =120598735372
External references
- oeis: A223414