61197

Appears in sequences

• Number of (n+2) X (7+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 3 5 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 3 5 6 or 7.at n=24A252253
• a(n) = A120963(n) + A341711(floor(n/2)).at n=21A360520