155664

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=48A011940
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,0,0 for x=0,1,2,3,4.at n=9A198181
• a(n) = 4*binomial(9*n+4,n)/(9*n+4).at n=5A234507