57613

Appears in sequences

• Number of binary words of length n (beginning 0) with autocorrelation function 2^(n-1)+2.at n=19A045692
• Floor of concatenation of n, n+1, n+2, n+3, n+4, n+5 divided by 6.at n=3A074996
• E.g.f. satisfies: A(x) = exp(-1) * Sum_{n>=0} exp(x*A(x)^n)/n!.at n=6A195895
• 1/n! times the number of ordered pairs of permutation functions f,g on n elements where f(f(x)) = g(f(g(x))).at n=21A255515
• Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k distinct columns and any number of nonzero rows with column sums n and rows in nonincreasing lexicographic order.at n=41A331161