55492

Appears in sequences

• a(n) = Sum_{k=0..floor(n/2)} A026626(n, k).at n=16A026634
• Number of (n+1) X (n+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=3A234913
• Number of (n+1) X (4+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=3A234917
• T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).at n=24A234921
• Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and the median of every three consecutive elements nondecreasing.at n=9A263596