167959

Appears in sequences

• One less than number of n-multisets chosen from a 10-set.at n=11A035927
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-1)/2.at n=20A047171
• Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-2)/2.at n=19A047182
• a(n) = binomial(2*n + 2, n + 2) - 1.at n=9A322938
• First term of n-th difference sequence of (floor(k*r)), r = 1/2 + sqrt(2), k >= 0.at n=20A325733