a(n) = floor(sin(n)).

Terms

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