Expansion of (1-x-4x^2)/((1-2x)(1-8x^2)).

Terms

a(0) =1a(1) =1a(2) =6a(3) =4a(4) =40a(5) =16a(6) =288a(7) =64a(8) =2176a(9) =256a(10) =16896a(11) =1024a(12) =133120a(13) =4096a(14) =1056768a(15) =16384a(16) =8421376a(17) =65536a(18) =67239936a(19) =262144a(20) =537395200a(21) =1048576a(22) =4297064448a(23) =4194304a(24) =34368126976a(25) =16777216a(26) =274911461376a(27) =67108864a(29) =268435456a(31) =1073741824