28005264

Appears in sequences

• Numbers n that can be chopped into two parts, which when added and squared result in n.at n=16A102766
• Triangle read by rows: T(n,m) = (binomial(n - 1, m - 1)*binomial(n, m - 1)/m)^2.at n=49A174158
• Triangle read by rows: T(n,m) = (binomial(n - 1, m - 1)*binomial(n, m - 1)/m)^2.at n=50A174158
• Number of (n+2)X6 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=4A202488
• Number of (n+2)X7 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=3A202489
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=31A202492
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals.at n=32A202492
• Number of (n+1) X (n+1) 0..3 arrays with no 2 X 2 subblock having equal diagonal elements or equal antidiagonal elements.at n=2A203818
• Number of (n+1)X4 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=2A203821
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=12A203826
• Squares whose arithmetic derivative (A003415) is a cube.at n=7A352330
• Powers k^m, m > 1, where k is an Achilles number such that A053669(k) < A006530(k).at n=24A389341