Numerators of A113405(-n) (see the comment for details).

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =-7a(5) =-7a(6) =-7a(7) =57a(8) =57a(9) =57a(10) =-455a(11) =-455a(12) =-455a(13) =3641a(14) =3641a(15) =3641a(16) =-29127a(17) =-29127a(18) =-29127a(19) =233017a(20) =233017a(21) =233017a(22) =-1864135a(23) =-1864135a(24) =-1864135a(25) =14913081a(26) =14913081a(27) =14913081a(28) =-119304647a(29) =-119304647