430730

Appears in sequences

• Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row and column sum 3 or 6 and every diagonal and antidiagonal sum not 3 or 6.at n=5A251773
• Number of (n+2)X(6+2) 0..3 arrays with every 3X3 subblock row and column sum 3 or 6 and every diagonal and antidiagonal sum not 3 or 6.at n=1A251777
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum 3 or 6 and every diagonal and antidiagonal sum not 3 or 6.at n=22A251779
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum 3 or 6 and every diagonal and antidiagonal sum not 3 or 6.at n=26A251779
• Expansion of Sum_{k>=1} mu(k)*log(1 + x^k/(1 - 2*x^k - x^(2*k)))/k.at n=17A308448