4X4X4 triangular graph without horizontal edges coloring a rectangular array: number of nX3 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.
A223410
4X4X4 triangular graph without horizontal edges coloring a rectangular array: number of nX3 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) =66a(1) =780a(2) =10496a(3) =139552a(4) =1905248a(5) =25615364a(6) =350374768a(7) =4718334196a(8) =64553618848a(9) =869537910656
External references
- oeis: A223410