317400

Appears in sequences

• a(n) = n*(n-1)*(n-2)^2.at n=23A047927
• a(n) = number of unlabeled rooted trees on n nodes with an odd number of endpoints.at n=16A253014
• Number of n X 2 0..1 arrays with each 1 adjacent to 1 or 3 king-move neighboring 1s.at n=13A295937
• Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention).at n=37A306302