Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3)^2 )^n.

A370249

Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3)^2 )^n.

Terms

    a(0) =1a(1) =2a(2) =10a(3) =62a(4) =394a(5) =2552a(6) =16810a(7) =112114a(8) =754698a(9) =5116832a(10) =34891260a(11) =239036470a(12) =1644001546a(13) =11344059092a(14) =78497737370a(15) =544507428962

External references