-3661

Appears in sequences

• Triangle of numerators of coefficients of the polynomial Q^(3)_m(n) defined by the recursion Q^(3)_0(n)=1; for m>=1, Q^(3)_m(n) = Sum_{i=1...n} i^3*Q^(3)_(m-1)(i).at n=21A202717
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 355", based on the 5-celled von Neumann neighborhood.at n=35A271408
• Expansion of Product_{k>=1} (1 - x^k * (1 + k*x)).at n=27A336978