Coefficient of x^n in the expansion of ( (1-x+x^3) / (1-x)^3 )^n.
A372415
Coefficient of x^n in the expansion of ( (1-x+x^3) / (1-x)^3 )^n.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =59a(4) =366a(5) =2332a(6) =15121a(7) =99276a(8) =657894a(9) =4391438a(10) =29482320a(11) =198865680a(12) =1346655921a(13) =9149295482a(14) =62336961732a(15) =425760311734
External references
- oeis: A372415