Expansion of 1/(1-4*x)^(11/2).

Terms

a(0) =1a(1) =22a(2) =286a(3) =2860a(4) =24310a(5) =184756a(6) =1293292a(7) =8498776a(8) =53117350a(9) =318704100a(10) =1848483780a(11) =10418726760a(12) =57302997180a(13) =308554600200