52348

Appears in sequences

• a(n) = Sum_{k=1..n} ceiling(k^4/n).at n=21A014816
• Number of rooted trees on n nodes with thinning limbs.at n=17A124343
• Number of (1,0)-steps of weight 1 in all weighted lattice paths in L_n.at n=12A182884
• Number of (n+1) X (n+1) -3..3 symmetric matrices with every 2 X 2 subblock having sum zero and three distinct values.at n=13A211323
• Number of (n+1) X (6+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock.at n=9A235952
• Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=13A298656
• Array read by antidiagonals: T(n,k) is the number of unlabeled oriented k-gonal 2-trees with n oriented polygons, n >= 0, k >= 2.at n=75A340812
• Number of oriented polygonal 2-trees with n oriented quadrilaterals.at n=9A340813