-537

Appears in sequences

• Expansion of 1/(1+x-x^2-2*x^3).at n=25A077971
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 483", based on the 5-celled von Neumann neighborhood.at n=19A272346
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(2).at n=24A279587
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 6/5.at n=29A279778
• G.f. A(x) satisfies: (1 - x) = A(x)*A(x^2)^2*A(x^3)^3*A(x^4)^4* ... *A(x^k)^k* ...at n=33A307656
• G.f. A(x) satisfies: A(x) = 1 - Sum_{k=1..4} (x * A(x))^k.at n=16A337513
• a(n) = (prime(n)^2 - prime(n-1)*prime(n+1))/2, n >= 3.at n=27A342567