Numerators of coefficients of x^2 in continued fraction expansion of A106400.

Terms

a(0) =1a(1) =-2a(2) =1a(3) =-1a(4) =-1a(5) =-1a(6) =1a(7) =-1a(8) =1a(9) =-3a(10) =1a(11) =-1a(12) =-3a(13) =1a(14) =-1a(15) =1a(16) =1a(17) =-3a(18) =1a(19) =-1a(20) =-1a(21) =-5a(22) =1a(23) =-1a(24) =15a(25) =-17a(26) =-1a(27) =1a(28) =-17a(29) =15