361086domain: NAppears in sequencesTriangle T(n,k) = A008517(n,k+1)+A008517(n,n+1-k) read by rows.at n=38A156141Triangle T(n,k) = A008517(n,k+1)+A008517(n,n+1-k) read by rows.at n=42A156141Distinct terms in A386369.at n=20A385254