Coefficients of expansion of 1/xi_0(y)^2 (see A195980 for definition).

Terms

a(0) =1a(1) =-2a(2) =-1a(3) =0a(4) =-1a(5) =-2a(6) =-7a(7) =-18a(8) =-50a(9) =-138a(10) =-386a(11) =-1092a(12) =-3122a(13) =-9004a(14) =-26173a(15) =-76606a(16) =-225584a(17) =-667880a(18) =-1986932a(19) =-5936754a(20) =-17807936a(21) =-53606646a(22) =-161892564a(23) =-490363820a(24) =-1489319219a(25) =-4534631182a(26) =-13838799043a(27) =-42323692348a(28) =-129697503097a(29) =-398183735878