Expansion of g.f. (1 + 6*x + 5*x^2)/((1-2*x)*(1+2*x)).

Terms

a(0) =1a(1) =6a(2) =9a(3) =24a(4) =36a(5) =96a(6) =144a(7) =384a(8) =576a(9) =1536a(10) =2304a(11) =6144a(12) =9216a(13) =24576a(14) =36864a(15) =98304a(16) =147456a(17) =393216a(18) =589824a(19) =1572864a(20) =2359296a(21) =6291456a(22) =9437184a(23) =25165824a(24) =37748736a(25) =100663296a(26) =150994944a(27) =402653184a(28) =603979776a(29) =1610612736