142164domain: NAppears in sequencesNumber of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>0.at n=33A211545Triangle read by rows: T(n,k) is the number of labeled 3-regular digraphs (multiple arcs and loops allowed) on n nodes with k components.at n=10A344379