-3167

Appears in sequences

• tanh(sin(arctanh(x)))=x-1/3!*x^3+1/5!*x^5-57/7!*x^7-3167/9!*x^9...at n=4A012058
• Expansion of g.f. Product_{n>=1} (1-x^n)*(1-x^(5*n))/(1-x^(3*n))^2.at n=49A054274
• a(n) = (4*3^n + (-7)^n)/5.at n=5A083296
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 457", based on the 5-celled von Neumann neighborhood.at n=37A272283
• G.f.: Sum_{n=-oo..+oo} n * x^n * (1 - x^n)^n.at n=66A291937