-2372

Appears in sequences

• Expansion of (1-x)/(1-x+2*x^2+2*x^3).at n=15A078022
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=25A270680
• Expansion of 1/(theta_3(q) * theta_3(q^2)), where theta_3() is the Jacobi theta function.at n=19A320069