57030

Appears in sequences

• Number of (n+2) X 6 binary arrays avoiding patterns 001 and 110 in rows, columns and nw-to-se diagonals.at n=13A202443
• Sum of first n squares of semiprimes.at n=26A217736
• Number of length-n 0..4 arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo 4+1.at n=6A269674
• T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo k+1.at n=51A269678
• Number of length-7 0..n arrays with no repeated value differing from the previous repeated value by other than plus or minus one modulo n+1.at n=3A269682