Nearest integer to cosecant(n).

Terms

a(0) =1a(1) =1a(2) =7a(3) =-1a(4) =-1a(5) =-4a(6) =2a(7) =1a(8) =2a(9) =-2a(10) =-1a(11) =-2a(12) =2a(13) =1a(14) =2a(15) =-3a(16) =-1a(17) =-1a(18) =7a(19) =1a(20) =1a(21) =-113a(22) =-1a(23) =-1a(24) =-8a(25) =1a(26) =1a(27) =4a(28) =-2a(29) =-1