2973696

Appears in sequences

• Theta series of 12-dimensional unimodular lattice {D_12}^{+}.at n=13A004533
• a(n) = (n^3 + n^2)*2^n.at n=10A129002
• Number of (n+2)X(n+2) 0..2 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..2 introduced in row major order.at n=1A204774
• Number of (n+2)X4 0..2 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..2 introduced in row major order.at n=1A204776
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..2 introduced in row major order.at n=4A204782