11407500

Appears in sequences

• Column 4 of triangle A123610.at n=23A123614
• Number of n X 5 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=24A208139
• a(n) = (n-3)*(n-2)^2*(n-1)^2*n/24.at n=26A292061