a(n) is the product of all parts in negaFibonacci representation of -n.

Terms

a(0) =1a(1) =-1a(2) =-3a(3) =-3a(4) =3a(5) =-16a(6) =-16a(7) =-8a(8) =-8a(9) =8a(10) =24a(11) =24a(12) =-24a(13) =-210a(14) =-210a(15) =-105a(16) =-105a(17) =105a(18) =-42a(19) =-42a(20) =-21a(21) =-21a(22) =21a(23) =63a(24) =63a(25) =-63a(26) =336a(27) =336a(28) =168a(29) =168