A nonsense sequence.

Terms

a(0) =1a(1) =1a(2) =-3a(3) =0a(4) =0a(5) =4a(6) =6a(7) =5a(8) =18a(9) =-23a(10) =-24a(11) =24a(12) =17a(13) =88a(14) =-7a(15) =145a(16) =5a(17) =-376a(18) =376a(19) =-236a(20) =654a(21) =-755a(22) =34a(23) =3025a(24) =-2992a(25) =2992a(26) =-5983a(27) =-720a(28) =-11279a(29) =-18015