50216

Appears in sequences

• Number of partitions of n with positive rank.at n=45A064173
• Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|<|x-y|<|y-z|.at n=23A212902
• Number of length 3+3 0..n arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms.at n=10A249709
• Number of 6Xn binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=8A266939
• E.g.f. satisfies A(x) = 1/(1 - A(x) * (exp(x) - 1))^4.at n=4A377454