139918

Appears in sequences

• Number of strings of numbers x(i=1..n) in 0..2 with sum i*x(i)^2 equal to n*4.at n=21A184434
• Number of (n+2)X(1+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9.at n=1A252587
• Number of (n+2)X(2+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9.at n=0A252588
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9.at n=1A252590
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 0 1 2 7 8 or 9.at n=2A252590