572940

Appears in sequences

• Numbers k such that k-1, k+1, k^2+1 and k^4+1 are all prime numbers.at n=32A070156
• Number of (n+2)X5 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=5A202642
• Number of (n+2)X8 binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=2A202645
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=30A202647
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 111 in rows, columns and nw-to-se diagonals.at n=33A202647