Expansion of (1-4*x)^(13/2).

Terms

a(0) =1a(1) =-26a(2) =286a(3) =-1716a(4) =6006a(5) =-12012a(6) =12012a(7) =-3432a(8) =-858a(9) =-572a(10) =-572a(11) =-728a(12) =-1092a(13) =-1848a(14) =-3432a(15) =-6864a(16) =-14586a(17) =-32604a(18) =-76076a(19) =-184184a(20) =-460460a(21) =-1184040a(22) =-3121560a(23) =-8414640a(24) =-23140260a(25) =-64792728a(26) =-184410072a(27) =-532740208a(28) =-1560167752a(29) =-4626704368