262251

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w*x>y*z+2.at n=27A212056
• a(n) = (46*n^5 + 30*n^4 + 15*n^3 - n) / 30.at n=11A219070
• Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally and vertically.at n=3A256948
• Number of (n+2) X (4+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally and vertically.at n=1A256950
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally and vertically.at n=11A256954
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the central row and central column minus the two minimums of the diagonal and antidiagonal nondecreasing horizontally and vertically.at n=13A256954