233695domain: NAppears in sequencesFigurate numbers based on the 120-cell (4-D polytope with Schlaefli symbol {5,3,3}).at n=6A092183Triangle read by rows: T(n,k) is the number of noncrossing connected graphs on n nodes on a circle, having exactly k four-sided faces, n>=2, 0<=k<=floor(n/2)-1.at n=22A094046