51904

Appears in sequences

• Number of (n+1) X (5+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=7A250780
• Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=6A264332
• Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=3A264335
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=48A264336
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change -1,1 1,0 1,-1 or 0,-1.at n=51A264336
• Irregular triangle read by rows: T(n,k) (1 <= k <= 2*n) = number of n X k Baxter matrices in which all row sums are 2.at n=51A347679