Expansion of (1+4x-24x^2)/((1-4x)(1+4x)).

Terms

a(0) =1a(1) =4a(2) =-8a(3) =64a(4) =-128a(5) =1024a(6) =-2048a(7) =16384a(8) =-32768a(9) =262144a(10) =-524288a(11) =4194304a(12) =-8388608a(13) =67108864a(14) =-134217728a(15) =1073741824a(16) =-2147483648a(17) =17179869184a(18) =-34359738368a(19) =274877906944a(20) =-549755813888