-8446

Appears in sequences

• G.f.: Product_{m>0} (1 - x^m + 2!*x^(2*m) - 3!*x^(3*m) + 4!*x^(4*m) - 5!*x^(5*m)).at n=18A293257
• G.f. satisfies A(x) = 1 + x*A(x) - x^2*A(x)^5.at n=11A367030