67509

Appears in sequences

• Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=4A252270
• Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=4A252275
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 2 3 4 6 or 7.at n=40A252278
• Numbers k such that A(k+1) = A(k) + 3, where A() = A005100() are the deficient numbers.at n=24A317046
• G.f.: (1 / theta_4(x) - 1)^2 / 4, where theta_4() is the Jacobi theta function.at n=16A338223
• a(n) = sum of all distinct multiplicities in every integer partition of n.at n=31A373273