a(n) = floor(Sum_{k=0..n} tan(k)).

Terms

a(0) =0a(1) =1a(2) =-1a(3) =-1a(4) =0a(5) =-3a(6) =-4a(7) =-3a(8) =-10a(9) =-10a(10) =-10a(11) =-235a(12) =-236a(13) =-236a(14) =-228a(15) =-229a(16) =-229a(17) =-225a(18) =-227a(19) =-226a(20) =-224a(21) =-226a(22) =-226a(23) =-224a(24) =-226a(25) =-226a(26) =-225a(27) =-228a(28) =-229a(29) =-228