12573792000domain: NAppears in sequencesTriangle read by rows: T(n,m) = one-half of number of embeddings of the n-wheel with k = n+1-2m regions (n >= 1, 0 <= m <= floor(n/2)).at n=47A301731Number of labeled trees on n nodes with maximum degree three and three vertices of degree three.at n=4A355023