51619

Appears in sequences

• Number of asymmetric mobiles (circular rooted trees) with n nodes and 3 leaves.at n=37A055364
• Numerator of Sum_{k=1..n} k^4 / Product_{k=1..n} k^4.at n=19A181426
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood.at n=41A271456
• Triangle read by rows: T(n,k) = number of ways, summed over the free n-ominoes, that an n-omino with an assigned orientation can be maximally (partially) covered by k X 1 tiles.at n=57A308437