Expansion of (Sum_{k>=0} binomial(4*k,k) * x^k)^3.

A378503

Expansion of (Sum_{k>=0} binomial(4*k,k) * x^k)^3.

Terms

    a(0) =1a(1) =12a(2) =132a(3) =1396a(4) =14436a(5) =147120a(6) =1483996a(7) =14854968a(8) =147821604a(9) =1464031120a(10) =14443875984a(11) =142042418004

External references