Coefficient of x^n in the expansion of 1/( (1-x) * (1-x^3)^2 )^n.
A370274
Coefficient of x^n in the expansion of 1/( (1-x) * (1-x^3)^2 )^n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =16a(4) =67a(5) =276a(6) =1212a(7) =5391a(8) =24003a(9) =107719a(10) =486728a(11) =2208735a(12) =10059868a(13) =45970367a(14) =210657177a(15) =967636566a(16) =4454109123a(17) =20540731356a(18) =94882599285a(19) =438931979661
External references
- oeis: A370274