a(n) = n! * [x^n] (1 - x)*log((1 - x)/(1 - 2*x)).
A355258
a(n) = n! * [x^n] (1 - x)*log((1 - x)/(1 - 2*x)).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =5a(4) =34a(5) =294a(6) =3096a(7) =38520a(8) =553680a(9) =9036720a(10) =165191040a(11) =3344664960a(12) =74321452800
External references
- oeis: A355258