261880

Appears in sequences

• Number T(n,k) of multisets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the multiset; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=48A257740
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=17A282216
• Number of multisets of nonempty words with a total of n letters over ternary alphabet such that all letters occur at least once in the multiset.at n=6A320213