Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-2*x) )^n.
A372506
Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-2*x) )^n.
Terms
- a(0) =1a(1) =3a(2) =23a(3) =198a(4) =1795a(5) =16758a(6) =159446a(7) =1537308a(8) =14967843a(9) =146833830a(10) =1449054178a(11) =14369723316a(12) =143072565454
External references
- oeis: A372506