195428

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w<|x-y|+|y-z|.at n=24A212568
• Number of (n+1)X(4+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=3A235958
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=24A235962