55968

Appears in sequences

• Number of (binary) bit strings of length n in which an odd length block of 0's is followed by an odd length block of 1's.at n=14A065495
• Triangle T(n, k) = Sum_{j=0..n} (2*n)!/((2*n-k-j)!*j!*k!), read by rows.at n=23A141723
• Numbers n such that there exists an x!=n that makes {n,n,x} an amicable multiset.at n=9A259302
• 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 150", based on the 5-celled von Neumann neighborhood.at n=15A279248
• Abundant numbers n such that sigma(sigma(n) - 2*n) = sigma(n).at n=11A292365
• Integers k such that there exists an integer 0<m<k such that sigma(k) = sigma(m) = m + 2*k.at n=3A383239