Expansion of 1/(1-4*x)^(15/2).

Terms

a(0) =1a(1) =30a(2) =510a(3) =6460a(4) =67830a(5) =624036a(6) =5200300a(7) =40116600a(8) =290845350a(9) =2003601300a(10) =13223768580a(11) =84151254600a(12) =518932736700