Decimal expansion of sine of 21 degrees.

Terms

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