Second column of number triangle A110245.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =-3a(5) =-3a(6) =5a(7) =-7a(8) =5a(9) =3a(10) =-13a(11) =-19a(12) =-11a(13) =-15a(14) =-3a(15) =37a(16) =21a(17) =99a(18) =-27a(19) =-63a(20) =-13a(21) =105a(22) =-45a(23) =67a(24) =79a(25) =-171a(26) =-487a(27) =-315a(28) =-5a(29) =929