-563

Appears in sequences

• A measure of how close r^n is to an integer where r is the real root of x^3-x-1, i.e.. r = (1/2 + sqrt(23/108))^(1/3) + (1/2 - sqrt(23/108))^(1/3) = 1.3247.... (Higher absolute value of a(n) means closer, negative means less than closest integer.)at n=45A084252
• Discriminant of the polynomial x^n - x^(n-1) - ... - x - 1.at n=3A106273
• Expansion of (1+3*x+14*x^2-10*x^3-10*x^4+16*x^5+15*x^6-15*x^7-2*x^8+4*x^9+8*x^10) / ((1+4*x^2)*(1-x^2+x^4)*(1+x^2)^2).at n=7A112522
• a(n) = a(n-1) - (n-4)*a(n-4), with a(0)=0, a(1)=1, a(2)=2, a(3)=1.at n=15A122049
• Expansion of x*(1+2*x+3*x^2+4*x^3+4*x^4)/(1+x+x^2+x^3-x^5).at n=43A122520
• Numerators of Blandin-Diaz compositional Bernoulli numbers (B^sin)_3,n.at n=4A132092
• Coefficients of the eighth-order mock theta function T_1(q).at n=37A153156
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 358", based on the 5-celled von Neumann neighborhood.at n=37A271413
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 421", based on the 5-celled von Neumann neighborhood.at n=15A272052
• Expansion of g.f. (theta_3(x) - 1)/2 * Product_{n>=1} (1 - x^(4*n-2)) / (1 - x^(4*n)).at n=53A370153