Expansion of g.f. 1/((1 - x)*(1 - 2*x)*(1 - 5*x)*(1 - 11*x)).
A021154
Expansion of g.f. 1/((1 - x)*(1 - 2*x)*(1 - 5*x)*(1 - 11*x)).
Terms
- a(0) =1a(1) =19a(2) =256a(3) =3066a(4) =35007a(5) =391545a(6) =4339462a(7) =47896672a(8) =527676853a(9) =5808513711a(10) =63913994508a(11) =703155662118
External references
- oeis: A021154