127024domain: NAppears in sequencesTriangle of Stirling numbers of order 5.at n=25A059024Triangle T(n,k) = Sum_{i=1..n} 2^(i-1)*C(n+2*k-i-1, k-1), 1 <= k <= n.at n=40A185139Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=33A344857A344857(2*n).at n=16A347320