51945

Appears in sequences

• Number of trees of nonempty sets with n points. (Each node is a set of 1 or more points.)at n=13A036250
• Number of trees with 2-colored leaves.at n=13A036251
• Number of nX2 0..6 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=27A201066
• Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than 4.at n=6A204209
• T(n,k) = Number of length n+1 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than k.at n=51A204213
• Number of length 8 nonnegative integer arrays starting and ending with 0 with adjacent elements differing by no more than n.at n=3A204216