186560

Appears in sequences

• n*(n-1)*(n^2-n+4)/6.at n=33A103290
• Number of (n+1) X 2 0..2 arrays with the number of clockwise edge increases in every 2 X 2 subblock equal to one, and every 2 X 2 determinant nonzero.at n=8A206003
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.at n=36A206010
• a(n) = 2^n*(4*3^n-1).at n=6A321003