Expansion of 1/Sum_{k>=0} A000326(k+1)*x^k.

Terms

a(0) =1a(1) =-5a(2) =13a(3) =-27a(4) =54a(5) =-108a(6) =216a(7) =-432a(8) =864a(9) =-1728a(10) =3456a(11) =-6912a(12) =13824a(13) =-27648a(14) =55296a(15) =-110592a(16) =221184a(17) =-442368a(18) =884736a(19) =-1769472a(20) =3538944a(21) =-7077888a(22) =14155776a(23) =-28311552a(24) =56623104a(25) =-113246208a(26) =226492416a(27) =-452984832a(28) =905969664a(29) =-1811939328