-4319

Appears in sequences

• G.f. A(x) has the property that the first (n+1) terms of A(x)^(n+1) form the n-th row polynomial R_n(y) of triangle A097181 and satisfy R_n(1/2) = 8^n for all n>=0.at n=9A097182
• Triangle T(n, k) = k! - n! + (n-k)! read by rows.at n=29A155170
• Triangle T(n, k) = k! - n! + (n-k)! read by rows.at n=34A155170
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 339", based on the 5-celled von Neumann neighborhood.at n=35A271292
• a(n) = n! * Sum_{k=0..floor(n/5)} (-n)^k / (k! * (n-5*k)!).at n=6A362324
• Expansion of e.g.f. exp(x * (2 - exp(x))).at n=8A367876