1101744domain: NAppears in sequences(Terms in A014450)/2.at n=23A051474(Terms in A014450)/2.at n=27A051474(Terms in A014472)/2.at n=10A051475Symmetrical triangle T(n, m) = floor(Eulerian(n+1, m)/2), read by rows.at n=38A174098Symmetrical triangle T(n, m) = floor(Eulerian(n+1, m)/2), read by rows.at n=42A174098