-4468

Appears in sequences

• McKay-Thompson series of class 22B for Monster.at n=45A058568
• McKay-Thompson series of class 22B for the Monster group with a(0) = -2.at n=45A132320
• G.f. A(x) satisfies: 1-x = Sum_{n>=0} (A(x)^n + x^n)^n * (-x)^n.at n=11A246882
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 131", based on the 5-celled von Neumann neighborhood.at n=41A270224