Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^2) )^n.
A372233
Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^2) )^n.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =77a(4) =520a(5) =3612a(6) =25557a(7) =183192a(8) =1325808a(9) =9666635a(10) =70897112a(11) =522472392a(12) =3865669717a(13) =28697325048a(14) =213649228560
External references
- oeis: A372233