Sin(n) decreases monotonically to -1.

Terms

a(0) =1a(1) =3a(2) =4a(3) =5a(4) =11a(5) =344a(6) =1054a(7) =1764a(8) =2474a(9) =3184a(10) =3894a(11) =4604a(12) =5314a(13) =6024a(14) =6734a(15) =7444a(16) =8154a(17) =8864a(18) =9574a(19) =10284a(20) =10994a(21) =11704a(22) =12414a(23) =13124a(24) =13834a(25) =14544a(26) =15254a(27) =15964a(28) =16674a(29) =17384