-1123

Appears in sequences

• a(n) = A174817(n) - Mnr; where Mnr = A001228(26) = 808017424794512875886459904961710757005754368000000000, also called the Monster number, cf. A003131.at n=16A174818
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood.at n=19A269813
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 137", based on the 5-celled von Neumann neighborhood.at n=21A270277
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 289", based on the 5-celled von Neumann neighborhood.at n=19A271128
• G.f. A(x) satisfies: A(x) = 1/(1 + x*A(x)/(1 + x^2*A(x)/(1 + x^3*A(x)/(1 + x^4*A(x)/(1 + ...))))), a continued fraction.at n=9A301362