43139520

Appears in sequences

• a(n) = ((n+3)!/2)*Sum_{k=1..n} (-1)^(k+1)/(k+3).at n=8A024189
• 4-level binary fanout graph coloring a rectangular array: number of nX4 0..14 arrays where 0..14 label nodes of a graph with edges 0,1 1,3 3,5 3,6 1,4 4,7 4,8 0,2 2,9 9,11 9,12 2,10 10,13 10,14 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=5A223445
• 4-level binary fanout graph coloring a rectangular array: number of nX6 0..14 arrays where 0..14 label nodes of a graph with edges 0,1 1,3 3,5 3,6 1,4 4,7 4,8 0,2 2,9 9,11 9,12 2,10 10,13 10,14 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=3A223447