Recip transform of 2*(1 + x^3 + x^5)-1/(1-x).

Terms

a(0) =1a(1) =1a(2) =3a(3) =9a(4) =33a(5) =125a(6) =503a(7) =2083a(8) =8869a(9) =38501a(10) =169915a(11) =759825a(12) =3435865a(13) =15683345a(14) =72169359a(15) =334434167a(16) =1559321913a(17) =7309978681a(18) =34434345123a(19) =162908461641a(20) =773722223233