228056

Appears in sequences

• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p.at n=41A282041
• Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=6A316646
• Number of nX7 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=5A316647