Hankel determinants of order n for the sequence A189718.

Terms

a(0) =0a(1) =-1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =-1a(7) =0a(8) =16a(9) =-3a(10) =-87a(11) =-242a(12) =678a(13) =-439a(14) =-3620a(15) =-3961a(16) =4334a(17) =-95a(18) =95a(19) =4524a(20) =54001a(21) =64350a(22) =-87309a(23) =-937766a(24) =17314434a(25) =-542208643a(26) =3200800363a(27) =3953925422a(28) =-4558246642a(29) =-15110328113