68180
domain: N
Appears in sequences
- Number of 10 X 10 arrays of squares of integers, symmetric under 90-degree rotation, with all rows summing to n.at n=6A156404
- Number of n X n arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to 6.at n=6A156442
- Number of (n+1) X 2 0..3 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to two.at n=3A206190
- Number of (n+1)X5 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two.at n=0A206193
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two.at n=6A206197
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to two.at n=9A206197
- Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with set{t,u,v in 0,1}((x[i+t]+x[j+u]+x[k+v])*(-1)^(t+u+v)) having three, four, six or seven distinct values for every i,j,k<=n.at n=7A211739
- Column 1 of triangle A370041.at n=42A370154