Coefficient of x^n in the expansion of 1/( (1-x) * (1-x^2)^3 )^n.
A370269
Coefficient of x^n in the expansion of 1/( (1-x) * (1-x^2)^3 )^n.
Terms
- a(0) =1a(1) =1a(2) =9a(3) =37a(4) =233a(5) =1251a(6) =7461a(7) =43219a(8) =257769a(9) =1534096a(10) =9224259a(11) =55607850a(12) =336885029a(13) =2046705428a(14) =12472585155a(15) =76185639162a(16) =466380345065
External references
- oeis: A370269