66208

Appears in sequences

• Number of arrays of n+2 integers in -4..4 with sum zero and adjacent elements differing in absolute value.at n=4A202958
• T(n,k)=Number of arrays of n+2 integers in -k..k with sum zero and adjacent elements differing in absolute value.at n=32A202962
• Number of arrays of 7 integers in -n..n with sum zero and adjacent elements differing in absolute value.at n=3A202967
• 6 X 6 X 6 triangular graph without horizontal edges coloring a rectangular array: number of n X 1 0..20 arrays where 0..20 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 6,10 6,11 7,11 7,12 8,12 8,13 9,13 9,14 10,15 10,16 11,16 11,17 12,17 12,18 13,18 13,19 14,19 14,20 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=7A223460
• T(n,k)=6X6X6 triangular graph without horizontal edges coloring a rectangular array: number of nXk 0..20 arrays where 0..20 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 6,10 6,11 7,11 7,12 8,12 8,13 9,13 9,14 10,15 10,16 11,16 11,17 12,17 12,18 13,18 13,19 14,19 14,20 and every array movement to a horizontal or vertical neighbor moves along an edge of this graph.at n=28A223467