94088domain: NAppears in sequencesNumber of Catalan knight paths from (0,0) to (n,0) in the region between and on the lines y=0 and y=3. (See A096587 for the definition of Catalan knight.).at n=22A099328Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p.at n=30A282723