57184

Appears in sequences

• Triangle related to super-Catalan numbers (or little Schroeder numbers).at n=51A130743
• Number of n X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=4A207803
• Number of nX5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=4A207805
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=40A207808
• Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=4A207810
• Expansion of Product_{k>=1} 1/(1 - x^(k*(k+1)/2))^2.at n=48A298435
• Number of distinct degree sequences among all connected simple graphs with n vertices whose degrees are consecutive integers.at n=15A382665
• E.g.f. A(x) satisfies A(x) = exp( x * (1-x^3)^2 * A(x) ).at n=7A390015