161975

Appears in sequences

• Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.at n=6A208417
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 0 1 1 vertically.at n=4A208424
• Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p that are > p/2.at n=43A282722